MC68HC908JK8CP Freescale Semiconductor, MC68HC908JK8CP Datasheet - Page 201

• Manufacturer Part Number: MC68HC908JK8CP
• Manufacturer: Freescale Semiconductor

Specifications of MC68HC908JK8CP

• Cpu Family: HC08
• Device Core Size: 8b
• Frequency (max): 8MHz
• Interface Type: SCI
• Program Memory Type: Flash
• Program Memory Size: 8KB
• Total Internal Ram Size: 256Byte
• # I/os (max): 15
• Number Of Timers - General Purpose: 4
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• On-chip Adc: 13-chx8-bit
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Through Hole
• Pin Count: 20
• Package Type: PDIP
• Lead Free Status / Rohs Status: Not Compliant

Appendix A
MC68HC08JL8
A.1 Introduction
This section introduces the MC68HC08JL8, the ROM part equivalent to the MC68HC908JL8/JK8. The
entire data book applies to this ROM device, with exceptions outlined in this appendix.
A.2 MCU Block Diagram
Figure A-1
A.3 Memory Map
The MC68HC08JL8 has 8,192 bytes of user ROM from $DC00 to $FBFF, and 36 bytes of user ROM
vectors from $FFDC to $FFFF. On the MC68HC908JL8, these memory locations are FLASH memory.
Figure A-2
Freescale Semiconductor
Memory ($DC00–$FBFF)
User vectors ($FFDC–$FFFF)
Registers at $FE08 and $FFCF
Mask option register ($FFD0)
Monitor ROM
($FC00–$FDFF and $FE10–$FFCE)
Available Packages
shows the block diagram of the MC68HC08JL8.
shows the memory map of the MC68HC08JL8.
Table A-1. Summary of MC68HC08JL8 and MC68HC908JL8 Differences
MC68HC908JL8/JK8 • MC68HC08JL8/JK8 • MC68HC908KL8 Data Sheet, Rev. 3.1
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
MC68HC08JL8
8,192 bytes FLASH
36 bytes FLASH
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
MC68HC908JL8
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