20S207DA4

20S207DA4 SAMSUNG | Alldatasheet

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an, 20S207DA4 (Rev 1.0) Page 1/13 To: Application : VACUUM FLUORESCENT DISPLAY MODULE Model No. : 20S207DA4 Tentative | DEC. 01, 1999 | First Edition (Version-up model of 20S206DA4) All Pages (Enlarge the Dot Size : 0.4x0.4mm = 0.5x0.5mm) 1.0 MAR. 23, 2001 | 2nd Edition - Typing error correction of the 5.2.15 913 (UDF 03 + 1B) - Typing error correction of the "FA" font table 12/13 (FA 1D + 18, FA 1E + 19) | - Typing error correction of the "FB" font table 13/13 (FA 1D = 18, FA IE + 19) Cust Ay Checked by Approved by ¢ 4 Ig ee

«an, 20S207DA4 (Rev 1.0) Page 3/13

4.3 Specifications of the Display Panel (See Fig-4 on Page 5/13 for details) Table_3

[Paraneier—‘Y[Symbsl[ “Speen Unt] fpareySee fo toa sim | lNomoerof Dot |= RD Date x 2 Rowe || Jomacer See fw [eso | Sa any coor || Gnen 08 mp |_|

4.4 Environment Conditions Table_4

Humidity (Operating) 20 | 85 % Humidity (Non-operating) 20 a) Vibration (10 ~ 55 Hz) : 4 fer i 40

4.5 Absolute Maximum Ratings Table_5

i )

4.6 Recommend Operating Conditions Table_6

oe pe] 2 Se SC 4.7 DC Characteristics (Ta=+25°C, Vcc=+5.0Vbc) Table_7 [Parameter [Symbol] Min [tye [Max Unt a a mA [Eis ues vee tovnana | vo. ff eve | a * Note) The surge current can be approx. 10 times the specified supply current at power on. However, the exact peak surge current amplitude and duration are dependent on the characteristics of the host power supply.

Pens sp! 20S207DA4 (Rev 1.0) Page 2/13 1. SCOPE This specification applies to VFD module(Model No:20S207DA4) manufactured by Samsung SDI. 2. FEATURES 2.1 Simple connection to the host system. Either parallel or serial input interface can be selected. In case of serial input, it is possible to choose 1200, 2400, 4800 or 9600 bps. 2.2 Since a DC/DC converter is used, only +5Vdc power source is required to operate the module.

2.3 One chip micom offers ASCII(96 characters)+European(121 characters) or ASCII+Japanese Katakana

(128 characters) Font. 2.4 Four brightness levels can be selected by dimming function.

2.5 High quality blue-green(505 nm) vacuum fluorescent display provides an attractive and readable

medium. Other colors can be achieved by simple wavelength filters. 2.6 Characters are provided with a 5x7 dot matrix. 2.7 The module has up to 16 user definable characters. 3. GENERAL DESCRIPTIONS 3.1 This specification becomes effective after being approved by the purchaser.

3.2 When any conflict is found in the specification, appropriate action shall be taken upon agreement

of both parties.

3.3 The expected necessary service parts should be arranged by the customer before the completion

of production. 4. PRODUCT SPECIFICATIONS

4.1 Type

Table_1 Digit Format 5x7 Dot Matrix with Cursor

4.2 Outer Dimensions, Weight (See Fig-3 on Page 5/13 for details)

Table_2 Outer Width 155.0 +/-1.0 Dimensions Height 43.0 +/-1.0 Thickness 22.5 Max Weight Typical 100

Pe nmsy spl 20S207DA4 (Rev 1.0) Page 4/13 4.8 AC Characteristics (Ta=+25 °C, Vec=+5.0Vbc) Table_8 Set up time of /SEL Tsu(/SEL) Holding time of /SEL Th (SEL) | ons | Set up time of data bus Tsu (data) | | | ons | Holding time of data bus Th (data) _ Delay time of BUSY Tdelay | 8% |

4.9 Timing Chart

4.9.1 Parallel Input Timing

TSU(/SEL) ThvsEL) \\TSU(DATA) Th(DATA) BUSY Tdelay Texe \\ Twait Fig-1. Parallel Input Timing Diagram

4.9.2 Serial Input Timing

RXD\\ start ADOXD1 D234) DSK DEK D7 STOP Tdata = 10° / Baud-rate [us] Fig-2 Serial Input Timing Diagram In case of serial input mode, it is not necessary to check the BUSY signal because the execution time of data (Texe) is shorter than the input time of 1 byte serial data. In this mode, BUSY signal always holds low state.

am, 20S207DA4 (Rev 1.0) Page 5/13

4.10 Outer Dimensions

1550 +10 _ 4.0 10) 147.0 v05 | 35.0 +085 : aol | DISPLAY AREA 935527 43.0 +110 5. y> 15.55 «110 ® ® 7.55 +40 9.9 «10 1352 °28 _ (117.0) (Unit : mm) Fig-3. Outer Dimensions

4.11 Pattern Details

5.20 0.75 050 0.60 _| 0.75 GER Gaano senHea— G8880 gs80n0 SE888 8885 s8eae 8888 66088 BEB8G 88088 Hane 8868 sea

50 GERGH BHEGH DASHM cecccccccecooose FERHH HEHEaa

64 | 8880 GEHBG OBESE > HEG88 o8see BEEEH GGG so8e8 B88 88088 BES88 8080 8ee888+ + GE688 sH8888 = TE _ 175 4.7 GEHG8 Ggeeee sane ~ GHG 8880 BHBHR 88888 sane GEG80G Hessen GHB00 G08 saa GE8G5 8088 BEGGD BBSRH + DARDBL ceeeccccccceee FRRHH HERHR 8G088 88088 #80888 GEB8G H88e0 E888 88088 88888 6868 88808 BEES SBREGS sheHo 8668 C8858 (Unit : mm) Fig-4. Pattern Details

«an, 20S207DA4 (Rev 1.0) Page 6/13

4.12 System Block Diagram

VO Unit Control Unit Driving Unit Display Do ~ D7 CMOS A1~ A36 LOGIC GRID & 8-bit ANODE VFD MICOM DRIVER 208207 ISEL. WR. Veo BO Baud Rate B1 Selector (B0,B1) ‘TEST Fo Default Font Table RXD |__| RXD Selector (FO) [Reset }—+[RST {osc ] (+5Vde) Veo DC/DC Converter vob ae F4 Circuit ID GN | ee Fig-5. VFD Module System Block Diagram

4.13 Signal Interfacing

+ Connector(Male) : PH-2S10-FG (Aster) or equivalent —» Mate Socket(Female) : HIF3B-20D-2.54R (by Hirose) or equivalent Table 9 [Pin No] Sorat | Peale! | Seva [ PinNo | Sigel_| Paraiel | Seral_] Tw ye Te fe fm fo |} 7 [eo nef | ew fo

9 D3 ° 10 GND

a Note) O : Connection, NC : No Connection

SDI 20S207DA4 (Rev 1.0) Page 7/13 5. FUNCTIONS The module has data and control code write-in, self test and power on reset function. Data and Control Code Write-in Table Table_10 X : Don't care. When the data is being written-in, the BUSY signal is active (High) which indicates that the module is processing the data.

5.1 Character Data Write-in

When the character data code (20 Hex~FF Hex) is transferred to the module, the character font is displayed on the screen. At this time, the cursor will be shifted to the right one digit automatically.

5.2 Control Code Write-in

The contro! commands are available as follows and details are will be explained.

5.2.1 DIM (04 Hex) : Dimming

Brightness can be controlled into four levels by using this function. After writing 04 Hex, the successive Hex byte mentioned under is written to change the brightness level. Syntax : DIM Command (04 Hex) + Dimming Level Data (See Table_11) Table_11 100 % 80 ~ FF Hex 60 % 60 ~ 7F Hex 40 % 40 ~ SF Hex 20 % 00 ~ 3F Hex

as SDI 20S207DA4 (Rev 1.0) Page 8/13

5.22 BS (08 Hex) : Back Space

DC1 Mode : The write-in position is shifted to the left one digit and the character previously displayed on the digit will be cleared. (Beyond this point, the cursor position is identical with the write-in position of the display unless otherwise specified. Under DC4 mode, the cursor will not be shown up.) When the write-in position is on the most significant digit of the second row, the cursor moves to the least significant digit of the first row. When the write-in position is on the most significant digit of the first row, the cursor moves to the least significant digit of the second row. DC2 & DC6 Mode : The same as DC1 mode operation.

5.2.3 HT (09 Hex) : Horizontal Tab

DC1 Mode : The write-in position is shifted to the right one digit. When the write-in position is on the least significant digit of the first row, the cursor moves to the most significant digit of the second row. When the write-in position is on the least significant digit of the second row, the cursor moves to the first row. DC2 Mode : When the write-in position is on the least significant digit of the second row, the characters displayed in the second row are shifted up to the first row and the cursor moves to the most significant digit of the second row. Subsequently, the second row is cleared. DC6 Mode : The same as DC1 mode operation

5.2.4 LF (OA Hex) : Line Feed

DC1 Mode : The write-in position moves up or down to the other row staying on the same column. DC2 Mode - When the write-in position is on the second row, the characters displayed in the second row are shifted up to the first row, leaving the cursor at its present position, then the second row is cleared. When the write -in position is on the first row, the same as DC1 mode operation. DC6 Mode : The same as DC1 mode operation

5.25 CR (OD Hex): Carriage Return

The write-in position moves to the most significant digit of the same row.

5.2.6 DP (10 Hex) : Display Position

Instead of writing the character from the first digit, the write-in starting position can be pointed out by using this command. After writing data 10 Hex, the successive Hex byte is written to specify the position desired. Syntax : DP (10 Hex) + Cursor Position Data (See Table_12) Table_12 Left End_| and Coumnn | ard Coun | ~~~ _| 19h Gotmn | Right End | [wo ves [on ex [otter [== erm | Fee | [eter [iS Foc | Tene fm | meee | ae DC1, DC2 and DC6 modes are selection command of display mode.

5.27 DC1 (11 Hex) : Normal Display Mode

After writing a character, the write-in position is shifted to the right one digit automatically. When the write-in position is on the least significant digit of the first row, the cursor moves to the most significant digit of the second row. When the character is displayed on the least significant digit of the second row, the cursor moves to the most significant digit of the first row.

«aD, 20S207DA4 (Rev 1.0) Page 9/13

5.2.8 DC2 (12 Hex) : Vertical Scroll Mode

After writing the characters up to the least significant digit of the second row, all the characters displayed in the second row are shifted up to the first row, clearing the second row. And the cursor moves to the most significant digit of the second row. When th power is turned on, this DC2 mode is defaultly selected and will be held until another mode (DC1 or DC6 Mode) is selected.

5.29 DC6 (16 Hex) : Horizontal Scroll Mode

After writing the characters up to the least significant digit of each row, all the characters displayed in the same row of cursor position are shifted one digit to the left. At this time, the characters displayed on the most significant digit will be disappeared. But the characters displayed in the other row will not be changed. DC3~DC5 are the cursor control command.

5.2.10 DC3 (13 Hex) : Cursor On Mode

The cursor is displayed. When the power is turned on, this mode is defaultly selected and will be held until another mode (DC4 or DC5 mode) is selected.

5.2.11 DC4 (14 Hex) : Cursor Off Mode

The cursor won't be displayed.

5.212 DCS (15 Hex) : Cursor Blinking Mode

The cursor is blinked.

5.2.13 FA (18 Hex) : General European Font

The FA font table (See Table_15.1 on Page 12/13) is selected.

5.2.14 FB (19 Hex) : Japanese Katakana Font

The FB font table (See Table_15.2 on Page 13/13) is selected.

5.215 UDF (1B Hex) : User Definable Font

The characters can be designed by using this command, These font data are memorized in the RAM of the module. Syntax : UDF(1B Hex) + CHR(00 ~ FF Hex) + PT1 + PT2 + PT3 + PT4 + PT5 Any 5x7 dots pattern consisted of data form PT1 through PT5 (3rd ~ 7th byte) can be stored in the character code location specified by CHR (2nd byte). And the maximum kinds of UDFs (User Definable Font) are 16 characters at once. Storing more than 16 will kill the oldest font. However within 16 characters codes where already defined by UDF,the over-write-latest font replaces the former font. * 2nd byte : CHR (00-FF Hex) ~~~~~~~~~ Specify the character code location from 00 Hex to FF Hex by CHR. If CHR overlaps control codes such as BS, HT, LF etc., the contro! function will be lost. Therfore, overlaps to the UDF code (1B Hex) may not avail further UDF function. * 3rd~7th byte : (00 Hex ~ FF Hex) ~~~~~~~ Specify ON or OFF of 35 dots position. Table_11.1 shows the relation between dot position and data formation. The notation of "X.Y" means the Yth bit of Xth byte. For example, 3.7 means MSB(Most Significant Bit) of 3rd byte and 6.0 means LSB (Least Significant Bit) of 6th byte. ("1" = dot turn on, "0" = dot turn off at Table_13.2)

ax sol 20S207DA4 (Rev 1.0) Page 10/13 Bit Map of 5x7 Dot Matrix (Example) In Case of "S" Table_13.1 Table_13.2 feels) | PRET afeavler[es] | [fo [oo [a] 9 one: 70H fs [eefeefaelen] | [Efe [e [a [a] am oe : 20 no faler|sslss[se] | [© [OR [E |e] sh tre: co wo fsa]se|sr]soler] | [e[o[o [0 [4]. em ope: 7 Hex [ss [ss |e4fes|ez} | [oo] 0]0] 4). rin ote : co Hex *) 7.4~7.0 are don't care.

5.2.16 RST (1F Hex) : Reset

This command is used to initialize the module. All the characters displayed are erased. The write-in position will be set on the most significant digit of the first row and display the cursor(set to DC3). The display mode is set to DC2 (Vertical Scroll) mode, dimming level is set to FF Hex (100 %). Also, the baud-rate and character font table is defaultly set by the combination of following Table_15. But in this case, the user-defined fonts that were already defined remain effective. Soldering Switch OPEN/SHORT Combination Table Table_14 Baud-rate Selection - Character Font Selection - oe X : Don't Care *) The switch symbols (BO, B1 and FO) are marked on PCB rear side.

5.3 Power On Reset

When the module is turned on, the display and memory are cleared and the module is initialized. The displaying status are the same as RST command.

5.4 Self Test Mode

Self test starts when /TEST = "1" to "0". (Connecter pin #16 is connected to GND.) The display shows all characters, Alphabet, Numerics and symbols in that order. In using this mode, neither data nor control code write-in is allowed. To release this mode, /TEST must be set to "1".

a VFDAY Pe amsunad 20S207DA4 (Rev 1.0) Page 11/13 6. OPERATING RECOMMENDATIONS 6.1 Avoid applying excessive shock or vibration beyond the specification for the VFD module. 6.2 Since VFDs are made of glass material, careful handling is required. ie. Direct impact with hard material to the glass surface(especially exhaust tip) may crack the glass.

6.3 When mounting the VFD module to your system, leave a slight gap between the VFD glass and

your front panel. The module should be mounted without stress to avoid flexing of the PCB

6.4 Avoid plugging or unplugging the interface connection with the power on, otherwise it may cause

the severe damage to input circuitry. 6.5 Slow starting power supply may cause non-operation because one chip micom won't be reset. 6.6 Exceeding any of maximum ratings may cause the permanent damage. 6.7 Since the VFD modules contain high voltage source, careful handling is required while power is on. 6.8 When the power is turned off, the capacitor does not discharge immediately. So the high voltage applied to the VFD must not get in contact with ICs. In other words, short- circuit of mounted components on PCB within 30 seconds after power-off may cause damage the module.

6.9 The power supply must be capable of providing at least 3 times the rated current, because the

surge current may be 3 times the specified current consumption when the power is turned on. 6.10 Avoid using the module where excessive noise interference is expected. Noise may affects the interface signal and causes improper operation. And it is important to keep the length of the interface cable less than 50cm. 6.11 Since all VFD modules contain C-MOS ICs, anti-static handling procedures are always required.

VFDA ¥ an”, 20S207DA4 (Rev 1.0) Page 12/13 "FA" (General European) Font Table Table_15.1 p7}o | ofoj;o}o;ojolofr}1falataia}a ya DB} oO | Of oO};o;t 1} 4] 4 o}o o};1/)/4)4/)4 pafo i 1fo;/1io};1fo}4 t}o}++ol+lola AEC) A RO EMERG COLCA 0010 pc2 ae | | f Saat [EE | eat 0101 pcs ilies |B | Possode| ele FG lB Ba F ¥ | ¥i an

«a sDI 20S207DA4 (Rev 1.0) Page 13/13 "FB" (Japanese Katakana) Font Table Table_15.1 p7| 0 | o ololo of}afataiaia}atada De} o | o o;1)4 1}o};ol;oj;o;41}1) 444 pat o | 4 1/0/14 1Jo}1/o}1}o}1]o]4 I) i Ee bee Fe a pres dele| [WSN Uae Pia a)s bee : whe eee