Details, datasheet, quote on part number: 68HC08JL8
Part68HC08JL8
Category
DescriptionMicrocontroller
CompanyMotorola Semiconductor Products
DatasheetDownload 68HC08JL8 datasheet
  

 

Features, Applications

This addendum provides update and additional information to the MC68HC908JL8 Technical Data, Rev. 2 (Motorola document number MC68HC908JL8/D)

The MC68HC08JL8 is the ROM part equivalent to the MC68HC908JL8. The entire MC68HC908JL8 data book apply to this ROM device, with exceptions outlined in this addendum. Table 1. Summary of MC68HC08JL8 and MC68HC908JL8 Differences

MC68HC08JL8 Memory ($DC00$FBFF) User vectors ($FFDC$FFFF) Registers at $FE08 and $FFCF Mask option register ($FFD0) Monitor ROM ($FC00$FDFF and $FE10$FFCE) 8,192 bytes ROM 36 bytes ROM Not used; locations are reserved. Defined by mask; read only. $FC00$FDFF: Not used. $FE10$FFCE: Used for testing purposes only. 20-pin PDIP (MC68HC08JK8) 20-pin SOIC (MC68HC08JK8) 28-pin PDIP 28-pin SOIC 32-pin SDIP 32-pin LQFP MC68HC908JL8 8,192 bytes FLASH 36 bytes FLASH related registers. $FE08 FLCR $FFCF FLBPR Read/write FLASH register. Used for testing and FLASH programming/erasing. 20-pin PDIP (MC68HC908JK8) 20-pin SOIC (MC68HC908JK8) 28-pin PDIP 28-pin SOIC 32-pin SDIP 32-pin LQFP

Figure 1 shows the block diagram of the MC68HC08JL8. The MC68HC08JL8 has 8,192 bytes of user ROM from $DC00 to $FBFF, and 36 bytes of user ROM vectors from $FFDC to $FFFF. On the MC68HC908JL8, these memory locations are FLASH memory. Figure 2 shows the memory map of the MC68HC08JL8.

USER RAM 256 BYTES PORTB DDRB 2-CHANNEL TIMER INTERFACE MODULE 2
SYSTEM INTEGRATION MODULE EXTERNAL INTERRUPT MODULE

* Pin contains integrated pull-up device. Pin contains programmable pull-up device. 25mA open-drain if output pin. LED direct sink pin. Shared pin: OSC2/RCCLK/PTA6/KBI6. # Pins available on 32-pin packages only. Pins available on 28-pin and 32-pin packages only. Shaded blocks indicate differences to MC68HC908JL8

I/O REGISTERS 64 BYTES RESERVED 32 BYTES RAM 256 BYTES UNIMPLEMENTED 55,968 BYTES ROM 8,192 BYTES UNIMPLEMENTED 512 BYTES BREAK STATUS REGISTER (BSR) RESET STATUS REGISTER (RSR) RESERVED BREAK FLAG CONTROL REGISTER (BFCR) INTERRUPT STATUS REGISTER 1 (INT1) INTERRUPT STATUS REGISTER 2 (INT2) INTERRUPT STATUS REGISTER 3 (INT3) RESERVED BREAK ADDRESS HIGH REGISTER (BRKH) BREAK ADDRESS LOW REGISTER (BRKL) BREAK STATUS AND CONTROL REGISTER (BRKSCR) RESERVED MONITOR ROM 447 BYTES RESERVED MASK OPTION REGISTER (MOR) READ ONLY RESERVED 11 BYTES USER ROM VECTORS 36 BYTES

$DC00 $FBFF $FC00 $FDFF $FE0F $FE10 $FFCE $FFCF $FFD0 $FFD1 $FFDB $FFDC $FFFF

 

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