參數(shù)資料
型號(hào): MC9S12B128VPV25
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP112
封裝: LQFP-112
文件頁數(shù): 58/132頁
文件大小: 1842K
代理商: MC9S12B128VPV25
Device User Guide —9S12B128DGV1/D V01.13
31
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:
Bit 7
654321
Bit 0
Write:
$0001
PORTB
Read:
Bit 7
654321
Bit 0
Write:
$0002
DDRA
Read:
Bit 7
654321
Bit 0
Write:
$0003
DDRB
Read:
Bit 7
654321
Bit 0
Write:
$0004
Reserved
Read:
00000000
Write:
$0005
Reserved
Read:
00000000
Write:
$0006
Reserved
Read:
00000000
Write:
$0007
Reserved
Read:
00000000
Write:
$0008
PORTE
Read:
Bit 7
65432
Bit 1
Bit 0
Write:
$0009
DDRE
Read:
Bit 7
6543
Bit 2
00
Write:
$000A
PEAR
Read:
NOACCE
0
PIPOE
NECLK
LSTRE
RDWE
00
Write:
$000B
MODE
Read:
MODC
MODB
MODA
0
IVIS
0
EMK
EME
Write:
$000C
PUCR
Read:
PUPKE
00
PUPEE
00
PUPBE
PUPAE
Write:
$000D
RDRIV
Read:
RDPK
00
RDPE
00
RDPB
RDPA
Write:
$000E
EBICTL
Read:
0000000
ESTR
Write:
$000F
Reserved
Read:
00000000
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
00
RAMHAL
Write:
$0011
INITRG
Read:
0
REG14
REG13
REG12
REG11
000
Write:
$0012
INITEE
Read:
EE15
EE14
EE13
EE12
EE11
00
EEON
Write:
$0013
MISC
Read:
0000
EXSTR1 EXSTR0 ROMHM
ROMON
Write:
$0014
Reserved
Read:
00000000
Write:
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