MC68HC908EY16A MC68HC908EY8A Data Sheet, Rev. 2
30
Freescale Semiconductor
$0000
I/O Registers
64 Bytes
$FE02
Reserved
$FE03
SIM Break Flag Control Register (SBFCR)
$003F
$FE04
Interrupt Status Register 1 (INT1)
$0040
RAM
512 Bytes
$FE05
Interrupt Status Register 2 (INT2)
$FE06
Interrupt Status Register 3 (INT3)
$023F
$FE07
Reserved
$0240
Unimplemented
3520 Bytes
$FE08
FLASH Control Register (FLCR)
$FE09
Break Address Register High (BRKH)
$0FFF
$FE0A
Break Address Register Low (BRKL)
$1000
Jump Table for FLASH Routines
32 Bytes
$FE0B
Break Status and Control Register (BRKSCR)
$FE0C
LVI Status Register (LVISR)
$101F
$FE0D
Reserved
19 Bytes
$1020
Integrated FLASH Program
and Erase Routines
512 Bytes
$FE1F
$121F
$FE20
Monitor ROM 350 Bytes
$1220
Unimplemented
350 Bytes
FF7D
$137D
$FF7E
FLASH Block Protect Register (FLBPR)
$137E
Integrated FLASH Program
and Erase Routines
130 Bytes
$FF7F
Unimplemented
$FF80
5V ICG Trim Value (Optional) (ICGT5V)
$13FF
$FF81
3V ICG Trim Value (Optional) (ICGT3V)
$1400
Unimplemented
44,032 Bytes
$FF82
Unimplemented
90 Bytes
$BFFF
$FFDB
$C000
FLASH Memory
15,872 Bytes
$FFDC
FLASH Vectors
36 Bytes
$FDFF
Extended Security Byte
$FFFF
$FE00
SIM Break Status Register (SBSR)
Note:
Locations $FFF6–$FFFD are used for the eight
security bytes.
$FE01
SIM Reset Status Register (SRSR)
Figure 2-1. Memory Map