Motorola MC9S12GC-Family User Manual
Page 34
Device User Guide — 9S12C128DGV1/D V01.05
34
$0000 - $000F
MEBI map 1 of 3 (HCS12 Multiplexed External Bus Interface)
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
$0000
PORTA
Read:
Bit 7
6
5
4
3
2
1
Bit 0
Write:
$0001
PORTB
Read:
Bit 7
6
5
4
3
2
1
Bit 0
Write:
$0002
DDRA
Read:
Bit 7
6
5
4
3
2
1
Bit 0
Write:
$0003
DDRB
Read:
Bit 7
6
5
4
3
2
1
Bit 0
Write:
$0004
Reserved
Read:
0
0
0
0
0
0
0
0
Write:
$0005
Reserved
Read:
0
0
0
0
0
0
0
0
Write:
$0006
Reserved
Read:
0
0
0
0
0
0
0
0
Write:
$0007
Reserved
Read:
0
0
0
0
0
0
0
0
Write:
$0008
PORTE
Read:
Bit 7
6
5
4
3
2
Bit 1
Bit 0
Write:
$0009
DDRE
Read:
Bit 7
6
5
4
3
Bit 2
0
0
Write:
$000A
PEAR
Read:
NOACCE
0
PIPOE
NECLK
LSTRE
RDWE
0
0
Write:
$000B
MODE
Read:
MODC
MODB
MODA
0
IVIS
0
EMK
EME
Write:
$000C
PUCR
Read:
PUPKE
0
0
PUPEE
0
0
PUPBE
PUPAE
Write:
$000D
RDRIV
Read:
RDPK
0
0
RDPE
0
0
RDPB
RDPA
Write:
$000E
EBICTL
Read:
0
0
0
0
0
0
0
ESTR
Write:
$000F
Reserved
Read:
0
0
0
0
0
0
0
0
Write:
$0010 - $0014
MMC map 1 of 4 (HCS12 Module Mapping Control)
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
$0010
INITRM
Read:
RAM15
RAM14
RAM13
RAM12
RAM11
0
0
RAMHAL
Write:
$0011
INITRG
Read:
0
REG14
REG13
REG12
REG11
0
0
0
Write:
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0