參數(shù)資料
型號: MC9S12H256
廠商: Motorola, Inc.
英文描述: Device User Guide
中文描述: 設(shè)備用戶指南
文件頁數(shù): 27/124頁
文件大小: 2125K
代理商: MC9S12H256
27
1.5.1 Detailed Register Map
$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:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:NOACCE
Write:
Read:
Write:
Read:
PUPKE
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Bit 7
6
5
4
3
2
1
Bit 0
$0001
PORTB
Bit 7
6
5
4
3
2
1
Bit 0
$0002
DDRA
Bit 7
6
5
4
3
2
1
Bit 0
$0003
DDRB
Bit 7
6
5
4
3
2
1
Bit 0
$0004 -
$0007
Reserved
0
0
0
0
0
0
0
0
$0008
PORTE
Bit 7
6
5
4
3
2
Bit 1
Bit 0
$0009
DDRE
Bit 7
6
5
4
3
Bit 2
0
0
$000A
PEAR
0
PIPOE
NECLK
LSTRE
RDWE
0
0
$000B
MODE
MODC
MODB
MODA
0
IVIS
0
EMK
EME
$000C
PUCR
0
0
PUPEE
0
0
PUPBE
PUPAE
$000D
RDRIV
RDPK
0
0
RDPE
0
0
RDPB
RDPA
$000E
EBICTL
0
0
0
0
0
0
0
ESTR
$000F
Reserved
0
0
0
0
0
0
0
0
$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
0
Bit 1
0
Bit 0
$0010
INITRM
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
RAM15
RAM14
RAM13
RAM12
RAM11
RAMHAL
$0011
INITRG
0
REG14
REG13
REG12
REG11
0
0
0
$0012
INITEE
EE15
EE14
EE13
EE12
EE11
0
0
EEON
$0013
MISC
0
0
0
0
EXSTR1
EXSTR0
ROMHM
ROMON
$0014
Reserved
0
0
0
0
0
0
0
0
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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