MC68HC705C9A Datasheet, PDF (26/118 Pages) Motorola, Inc – Microcontrollers

Memory
$0000
I/O REGISTERS
32 BYTES
$001F
$0020
$004F
$0050
USER EPROM
48 BYTES
RAM0 = 0
RAM
48 BYTES
RAM0 = 1
RAM
176 BYTES
$00BF
$00C0
$00FF
$0100
USER EPROM
128 BYTES
(STACK)
64 BYTES
RAM
128 BYTES
$017F
$0180
RAM1 = 0
RAM1 = 1
USER EPROM
15,744 BYTES
$3EFF
$3F00
BOOTLOADER
ROM
AND VECTORS
239 BYTES
$3FDF
$3FEF
$3FF0
$3FF1
$3FF2
$3FFF
C9A OPTION REGISTER
MASK OPTION REGISTERS
USER EPROM VECTORS
14 BYTES
PORT A DATA REGISTER
PORT B DATA REGISTER
PORT C DATA REGISTER
PORT D DATA REGISTER
PORT A DATA DIRECTION REGISTER
PORT B DATA DIRECTION REGISTER
PORT C DATA DIRECTION REGISTER
PORT D DATA DIRECTION REGISTER
UNUSED
UNUSED
SPI CONTROL REGISTER
SPI STATUS REGISTER
SPI DATA REGISTER
SCI BAUD RATE REGISTER
SCI CONTROL REGISTER 1
SCI CONTROL REGISTER 2
SCI STATUS REGISTER
SCI DATA REGISTER
TIMER CONTROL REGISTER
TIMER STATUS REGISTER
INPUT CAPTURE REGISTER (HIGH)
INPUT CAPTURE REGISTER (LOW)
OUTPUT COMPARE REGISTER (HIGH)
OUTPUT COMPARE REGISTER (LOW)
TIMER COUNTER REGISTER (HIGH)
TIMER COUNTER REGISTER (LOW)
ALTERNATE COUNTER REGISTER (HIGH)
ALTERNATE COUNTER REGISTER (LOW)
UNUSED
COP RESET REGISTER
COP CONTROL REGISTER
UNUSED
PORT B MASK OPTION REGISTER
MASK OPTION REGISTER 2
UNUSED (2 BYTES)
SPI VECTOR (HIGH)
SPI VECTOR (LOW)
SCI VECTOR (HIGH)
SCI VECTOR (LOW)
TIMER VECTOR (HIGH)
TIMER VECTOR (LOW)
IRQ VECTOR (HIGH)
IRQ VECTOR (LOW)
SWI VECTOR (HIGH)
SWI VECTOR (LOW)
RESET VECTOR (HIGH BYTE)
RESET VECTOR (LOW BYTE)
Figure 2-1. C9A Memory Map
$0000
$0001
$0002
$0003
$0004
$0005
$0006
$0007
$0008
$0009
$000A
$000B
$000C
$000D
$000E
$000F
$0010
$0011
$0012
$0013
$0014
$0015
$0016
$0017
$0018
$0019
$001A
$001B
$001C
$001D
$001E
$001F
$3FF0
$3FF1
$3FF2
$3FF3
$3FF4
$3FF5
$3FF6
$3FF7
$3FF8
$3FF9
$3FFA
$3FFB
$3FFC
$3FFD
$3FFE
$3FFF
MC68HC05C9A Advance Information Data Sheet, Rev. 4.1
26
Freescale Semiconductor