參數(shù)資料
型號: MC68HC705J1AVDWR2
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDSO20
封裝: SOIC-20
文件頁數(shù): 90/162頁
文件大小: 1517K
代理商: MC68HC705J1AVDWR2
Memory
Input/Output Register Summary
MC68HC705J1A — Rev. 3.0
Technical Data
MOTOROLA
Memory
33
2.4 Input/Output Register Summary
Addr.
Register Name
Bit 7
654321
Bit 0
$0000
Port A Data Register
(PORTA)
Read:
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
Write:
Reset:
Unaffected by reset
$0001
Port B Data Register
(PORTB)
Read:
0
PB5
PB4
PB3
PB2
PB1
PB0
Write:
Reset:
Unaffected by reset
$0002
Unimplemented
$0003
Unimplemented
$0004
Data Direction Register A
(DDRA)
Read:
DDRA7
DDRA6
DDRA5
DDRA4
DDRA3
DDRA2
DDRA1
DDRA0
Write:
Reset:
00000000
$0005
Data Direction Register B
(DDRB)
Read:
0
DDRB5
DDRB4
DDRB3
DDRB2
DDRB1
DDRB0
Write:
Reset:
00000000
$0006
Unimplemented
$0007
Unimplemented
$0008
Timer Status and Control
Register (TSCR)
Read:
TOF
RTIF
TOIE
RTIE
00
RT1
RT0
Write:
TOFR
RTIFR
Reset:
00000011
= Unimplemented
R = Reserved
Figure 2-2. I/O Register Summary (Sheet 1 of 3)
相關(guān)PDF資料
PDF描述
MC68HRC705J1ACDWR2 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDSO20
MC68HSC705J1ACDWR2 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDSO20
MC68HRC705J1ADWR2 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDSO20
MC68HSR705J1ACDWR2 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDSO20
MC68HC705J1ADWR2 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDSO20
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