MC68HC08JB8D

Freescale Semiconductor, Inc. Addendum HC908JB8AD/D Rev. 0, 4/2002 Addendum to MC68HC908JB8 Technical Data Freescale Semiconductor, Inc... This addendum provides additional information to the MC68HC908JB8 Technical Data, Rev. 2 (Motorola document number MC68HC908JB8/D), MC68HC08JB8A The MC68HC08JB8A is the ROM part equivalent to the MC68HC908JB8. The entire MC68HC908JB8 data book apply to this ROM device, with exceptions outlined in this addendum. Table 1. Summary of MC68HC08JB8A and MC68HC908JB8 Differences MC68HC08JB8A Memory ($DC00–$FBFF) User vectors ($FFF0–$FFFF) Registers at $FE08 and $FF09 8,192 bytes ROM 16 bytes ROM Not used; locations are reserved. $FC00–$FDFF: Not used. $FE10–$FFDF: Used for testing purposes only. VDD level (5V logic) MC68HC908JB8 8,192 bytes FLASH 16 bytes FLASH FLASH related registers. $FE08 — FLCR $FF09 — FLBPR Used for testing and FLASH programming/erasing. VREG level (3.3V logic) www.DataSheet4U.com Monitor ROM ($FC00–$FDFF and $FE10–$FFDF) OSC1 and OSC2 pins MCU Block Diagram Figure 1 shows the block diagram of the MC68HC08JB8A. Memory Map The MC68HC08JB8A has 8,192 bytes of user ROM from $DC00 to $FBFF, and 16 bytes of user ROM vectors from $FFF0 to $FFFF. On the MC68HC908JB8, these memory locations are FLASH memory. Figure 2 shows the memory map of the MC68HC08JB8A. For More Information On This Product, Go to: www.freescale.com www.DataSheet4U.com Freescale Semiconductor, Inc... INTERNAL BUS M68HC08 CPU PTA7/KBA7 (3) PTA : PTA0/...