MC908GR8CDWE Datasheet, PDF (45/408 Pages) Freescale Semiconductor, Inc – M68HC08 Microcontrollers

Freescale Semiconductor, Inc.
Memory Map
Input/Output (I/O) Section
Addr. Register Name
Bit 7
$003C
Analog-to-Digital Status ^Read:
and Control Register Write:
(ADSCR) _Reset:
COCO
R
0
$003D
Read: AD7
Analog-to-Digital Data
Register (ADR)
Write:
R
Reset:
$003E
Read:
Analog-to-Digital Input
Clock Register (ADCLK)
Write:
Reset:
ADIV2
0
Read:
$003F
Unimplemented Write:
Reset:
Read:
$FE00
SIM
Break Status Register
(SBSR)
Write:
R
Reset: 0
Note: Writing a logic 0 clears SBSW.
Read: POR
$FE01
SIM
Reset Status Register
(SRSR)
Write:
POR: 1
Read:
$FE02
Unimplemented Write:
Reset:
$FE03
Read:
SIM Break Flag Control
Register (SBFCR)
Write:
Reset:
BCFE
0
Read: IF6
$FE09
Interrupt Status Register 1
(INT1)
Write:
R
Reset: 0
Read: IF14
$FE0A
Interrupt Status Register 2
(INT2)
Write:
R
Reset: 0
6
5
4
3
2
1
AIEN ADCO ADCH4 ADCH3 ADCH2 ADCH1
0
0
1
1
1
1
AD6
AD5
AD4
AD3
AD2
AD1
R
R
R
R
R
R
Indeterminate after reset
0
0
0
ADIV1 ADIV0 ADICLK
R
R
R
0
0
0
0
0
0
SBSW
R
R
R
R
R
NOTE
0
0
0
0
0
0
PIN
COP ILOP ILAD MODRST LVI
0
0
0
0
0
0
R
R
R
R
R
R
IF5
IF4
R
R
0
0
IF13
IF12
R
R
0
0
= Unimplemented
IF3
IF2
R
R
0
0
IF11
IF10
R
R
0
0
R = Reserved
IF1
0
R
R
0
0
IF9
IF8
R
R
0
0
U = Unaffected
Bit 0
ADCH0
1
AD0
R
0
R
0
R
0
0
0
R
0
R
0
IF7
R
0
Figure 2-2. Control, Status, and Data Registers (Sheet 7 of 8)
MC68HC908GR8 — Rev 4.0
MOTOROLA
Memory Map
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Technical Data
45