HC908JL8AD FREESCALE | Alldatasheet

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Technical content

Table 1. Summary of MC68HC08JL8 and MC68HC908JL8 Differences Mask option register ($FFD0) Defined by mask; read only. Read/write FLASH register. Freescale Semiconductor, Inc.

64 BYTES

32 BYTES

256 BYTES

512 BYTES

447 BYTES

11 BYTES

36 BYTES

Figure 2. MC68HC08JL8 Memory Map Freescale Semiconductor, Inc.

and the FLASH block protect register respectively. programmed, erased, and read. for device testing only. $FC00–$FDFF are unused. except for the parameters indicated below. Table 2. DC Electrical Characteristics (5V) MC68HC908JL8, but not tested.

  1. VDD = 4.5 to 5.5 Vdc, VSS = 0 Vdc, TA = TL to TH, unless otherwise noted.
  2. Typical values reflect average measurements at midpoint of voltage range, 25 °C only.
  3. The numbers in parenthesis are MC68HC908JL8 values.

Table 3. DC Electrical Characteristics (3V) MC68HC908JL8, but not tested.

  1. VDD = 2.7 to 3.3 Vdc, VSS = 0 Vdc, TA = TL to TH, unless otherwise noted.
  2. Typical values reflect average measurements at midpoint of voltage range, 25 °C only.
  3. The numbers in parenthesis are MC68HC908JL8 values.

Freescale Semiconductor, Inc.

must be submitted to the ROM Processing Center (RPC). Table 5. MC68HC08JL8 Order Numbers NOTE: Temperature grade "M" is available for VDD = 5V only. Freescale Semiconductor, Inc.

AMENDMENTS TO MC68HC908JL8/D, REV. 2 Addendum to MC68HC908JL8 Technical Data AMENDMENTS TO MC68HC908JL8/D, REV. 2 Keyboard Interrupt Page 243, Figure 15-2. Keyboard Interrupt Block Diagram — Replace with the following block diagram: Computer Operating Properly (COP) Page 254, 16.8.2 Stop Mode — Replace the two paragraphs: From: Stop mode turns off the ICLK input to the COP if the STOP_ICLKDIS bit is set in configuration register 2 (CONFIG2). Service the COP immediately before entering or after exiting stop mode to ensure a full COP timeout period after entering or exiting stop mode. After reset, the STOP_ICLKDIS bit is clear by default and ICLK is enabled during stop mode. To: Stop mode turns off the ICLK input to the COP and clears the COP prescaler. Service the COP immediately before entering or after exiting stop mode to ensure a full COP timeout period after entering or exiting stop mode. To prevent inadvertently turning off the COP with a STOP instruction, a configuration option is available that disables the STOP instruction. When the STOP bit in the configuration register has the STOP instruction is disabled, execution of a STOP instruction results in an illegal opcode reset. KBIE0 KBIE7 DQ CK CLR VDD MODEK IMASKKKEYBOARD INTERRUPT FF VECTOR FETCH DECODERACKK INTERNAL BUS RESET KBI7 KBI0 SYNCHRONIZER KEYF KEYBOARD INTERRUPT REQUEST TO PULLUP ENABLE TO PULLUP ENABLE NOTE: To prevent false interrupts, user should use software to debounce keyboard interrupt inputs. Freescale Sem iconductor, I Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com nc...

Rev. 0 Freescale Sem iconductor, I Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com nc...