TM6811

TM6811 ETC1 | Alldatasheet

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Technical content

4 Bit Microcontroller

1 tenx technology, inc. Rev1.4 , 08/31/01 FUNCTION 1. Powerful instruction set (130 instructions). /tensans/floppy5Binary addition, subtraction, BCD adjust, logical operation in direct and index addressing mode. /tensans/floppy5Single-bit manipulation (set, reset, decision for branch). /tensans/floppy5Various conditional branch. /tensans/floppy516 working registers and manipulation. /tensans/floppy5Look-up table /tensans/floppy5LCD driver data transfer. 2. Memory capacity. /tensans/floppy5ROM capacity 1024 x 16 bits. /tensans/floppy5RAM capacity 64 x 4 bits. 3. Input/output ports. /tensans/floppy5Port IOC 1 pin (with internal pull-low, low-level-hold). IOC port had built in the input signal chattering prevention circuitry. /tensans/floppy5Port IOA 4 pin (input mode only, with low-level-hold) 4. 8 level subroutine nesting. 5. Interrupt function /tensans/floppy5External factor 1 (Pin IOC3). /tensans/floppy5Internal factors 3 (Pre-Divider, Timer2 & RFC). 6. Built in Alarm, clock or single tone melody generator(BZB, BZ). 7. Built-in R to F Converter circuit. /tensans/floppy5CX, RR, RT. 8. One 6-bit programmable timer(timer 2) with programmable clock source. 9. LCD driver output. /tensans/floppy59 LCD driver outputs (up to drive 36 LCD segments). /tensans/floppy51/4 Duty for LCD display. /tensans/floppy51/2 Bias for LCD display. /tensans/floppy5Single instruction to turn off all segments. 10. Built-in Voltage doubler charge pump circuit. 11. Built-in internal RC oscillator(~128kHz) or External R oscillator , mask option. 12. HALT function. 13. STOP function. 14. Low battery detected function APPLICATION /onesansinv/floppy5Thermometer

tenx technology, inc. Rev1.4, 08/31/01 PIN DESCRIPTION Name I/O Description VDD P Positive power supply. Connect a 0.1u capacitor to GND. VDD1,2 P LCD supply voltage, and reference power supply voltage. Both pins have to connect a 0.1uf capacitor to GND. RESET I Input pin for chip reset request signal, with internal pull-down resistor. TESTA Test signal input pin. CUP1,2 O Switching pins for supply the LCD driving voltage. Connect the CUP1 and CUP2 pins with a 0.1uf non-polarized electrolytic capacitor, COM1~4 O Output pins for driving the common pins of the LCD panel. SEG1-9 O Output pins for driving the LCD panel segment. IOC3 I/O 1. Input / Output port C, can use software to define internal pull-low / low-level-hold Resistor and Chattering clock to reduce input bounce. 2.ROUT in Ext-R option mode , in the mode IOC function no used. CX RR, RT I O 1 input pin and 2 output pins for RFC application. BZB, BZ O Output port for alarm, frequency or melody generator GND P Negative supply voltage. XIN I RIN in Ext-R option. PH10I I For testing IA1 I Input pin IA2 I Input pin IA3 I Input pin IA4 I Input pin PAD COORDINATE No Name RESET GND CX RR RT TESTA BZ BZB COM1 COM2 COM3 COM4 SEG1 SEG2 SEG3 SEG4 SEG5 X 87.5 87.5 87.5 87.5 141.55 329.65 487.65 645.65 802.5 952.5 1102.5 1252.5 1302.5 1302.5 1302.5 1302.5 1302.5 Y 742.55 606.05 419.55 239.45 87.5 87.5 87.5 87.5 87.5 87.5 87.5 87.5 223.35 353.35 468.35 583.35 698.35 No Name SEG8 SEG7 SEG8 SEG9 PH10I IA1 IA2 IA3 IA4 VDD2 CUP1 CUP2 VDD1 VDD XIN IOC3 X 1302.5 1302.5 1302.5 1302.5 1182.7 1052.7 932.7 812.7 692.7 562.7 322.5 437.5 207.5 87.5 87.5 87.5 Y 813.35 928.35 1043.35 1173.35 1262.5 1262.5 1262.5 1262.5 1262.5 1262.5 1262.5 1262.5 1262.5 1262.5 1058.55 900.55 PAD DIAGRAM

tenx technology, inc. Rev1.4, 08/31/01 The substrate of chip should be connected to GND. ABSOLOUTE MAXIMUM RATINGS at Ta=-20 to 70℃,GND= 0V Name Symbol Range Unit VDD -0.3 to 1.8 V VDD1 -0.3 to 1.8 V Maximum Supply Voltage VDD2 -0.3 to 3.6 V Maximum Input Voltage Vin -0.3 to VDD+0.3 V Vout1 -0.3 to VDD1+0.3 V Maximum output Voltage Vout2 -0.3 to VDD2+0.3 V Maximum Operating Temperature Topg -20 to +70 ℃ Maximum Storage Temperature Tstg -25 to +125 ℃ ALLOWABLE OPERATING CONDITIONS 5 6 7 89 10 11 1 2 22232425262728293031 GND CX RR RT TESTA XIN BZ BZB COM1 COM2 COM3 COM4 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 PH10I IA1 IA2 IA3 IA4 CUP1 CUP2 VDD IOC3 RESET VDD1 VDD2

tenx technology, inc. Rev1.4, 08/31/01 at Ta=-20 to 70℃,GND= 0V Name Symb. Condition Min. Typ. Max. Unit VDD 1.2 1.5 1.8 V VDD1 1.0 1.1 1.3 V Supply Voltage VDD2 2.0 2.2 2.6 V Operating current Iop RFC operating 20 45 60 uA Stand-by current Isb STOP mode - - 1 uA Voltage detector Vbat 1.15 1.25 1.35 Input “H” Voltage Vih1 VDD-0.7 - VDD+0.7 V Input “L” Voltage Vil1 Ag Battery Mode -0.7 - 0.7 V Oscillator Freq Fopg1 Built-in oscillator - 128 - KHZ

ELECTRICAL CHARACTERISTICS

Name Symb. Condition Min. Typ. Max. Unit “L” Level Hold Tr.(IOC3) Rllh1 Vi=0.2VDD1 10 40 100 Kohm IOC3 Pull-Down Tr. Rmad1 Vi=VDD1 200 500 1000 Kohm RES Pull-Down R Rres1 Vi=GND or VDD1 5 20 50 Kohm DC Output Characteristics Name Symb. Condition Port Min. Typ. Max. Unit Output ”H” Voltage Voh1c Ioh=-200uA 0.8 0.9 1.0 V Output ”L” Voltage Vol1c Iol=400uA SEG1~9 0.2 0.3 0.4 V Segment Driver Output Characteristics 1/2 Bias Display Mode Output ”H” Voltage Voh12f Ioh=-1uA 2.2 V Output ”L” Voltage Vol12f Iol=1uA SEG-n 0.2 V Output ”H” Voltage Voh12g Ioh=-10uA COM-n 2.2 V Output ”M” Voltage Vom12g Iol/h=+/-10uA 1.0 1.4 V Output ”L” Voltage Vol12g Iol=10uA COM-n 0.2 V Typical Application Circuit

tenx technology, inc. Rev1.4, 08/31/01 Note : This application circuit is for internal RC oscillator option. COM1 COM2 COM3 COM4 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 LCD panel 1/2 bias 1/ 4duty IOC3 BZB BZ Buzzer IOA1 IOA2 IOA3 IOA4 0.1uf CUP2 CUP1 1.5V VDD GND VDD1 VDD2 0.1uF TESTA RESET PH10I XIN (NC) (NC) (NC) (NC) CX RT RR 0.1uF 0.1uf TM6811 Comp. Value Remark 30K 20K 0.01uF thermistor at 37 degree