參數資料
型號： MC68HC705P6ACP
廠商： MOTOROLA INC
元件分類： 微控制器/微處理器
英文描述： HCMOS Microcontroller Unit
中文描述： 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDIP28
封裝： PLASTIC, DIP-28
文件頁數： 56/130頁
文件大?。?/td> 1541K
代理商： MC68HC705P6ACP
Input/Output Ports
Advance Information
MC68HC705P6A
—
Rev. 2.0
56
Input/Output Ports
MOTOROLA
6.7 I/O Port Programming
Each pin on port A through port D (except pin 7 of port D) can be
programmed as an input or an output under software control as shown
in
Table 6-1
,
Table 6-2
,
Table 6-3
, and
Table 6-4
. The direction of a pin
is determined by the state of its corresponding bit in the associated port
data direction register (DDR). A pin is configured as an output if its
corresponding DDR bit is set to a logic 1. A pin is configured as an input
if its corresponding DDR bit is cleared to a logic 0.
Table 6-1. Port A I/O Functions
DDRA
I/O Pin Mode
Accesses to
DDRA @ $0004
Accesses to Data
Register @ $0000
Read/Write
Read
Write
0
IN, Hi-Z
DDRA0
–
DDRA7
I/O Pin
See Note
1
OUT
DDRA0
–
DDRA7
PA0
–
PA7
PA0
–
PA7
Note: Does not affect input, but stored to data register
Table 6-2. Port B I/O Functions
DDRB
I/O Pin Mode
Accesses to
DDRB @ $0005
Accesses to Data
Register @ $0001
Read/Write
Read
Write
0
IN, Hi-Z
DDRB5
–
DDRB7
I/O Pin
See Note
1
OUT
DDRB5
–
DDRB7
PB5
–
PB7
PB5
–
PB7
Note: Does not affect input, but stored to data register
Table 6-3. Port C I/O Functions
DDRC
I/O Pin Mode
Accesses to
DDRC @ $0006
Accesses to Data
Register @ $0002
Read/Write
Read
Write
0
IN, Hi-Z
DDRC0
–
DDRC7
I/O Pin
See Note
1
OUT
DDRC0
–
DDRC7
PC0
–
PC7
PC0
–
PC7
Note: Does not affect input, but stored to data register
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相關代理商/技術參數
參數描述
MC68HC705P6ADW 制造商:Rochester Electronics LLC 功能描述:MCU, 176 BYTES RAM, A/D - Bulk
MC68HC705P6AMDW 功能描述:IC MCU 4.6K OTP 2.1MHZ 28-SOIC RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:HC05 標準包裝:250 系列:56F8xxx 核心處理器:56800E 芯體尺寸:16-位 速度:60MHz 連通性:CAN，SCI，SPI 外圍設備:POR，PWM，溫度傳感器，WDT 輸入/輸出數:21 程序存儲器容量:40KB（20K x 16） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:6K x 16 電壓 - 電源 (Vcc/Vdd):2.25 V ~ 3.6 V 數據轉換器:A/D 6x12b 振蕩器型:內部 工作溫度:-40°C ~ 125°C 封裝/外殼:48-LQFP 包裝:托盤 配用:MC56F8323EVME-ND - BOARD EVALUATION MC56F8323
MC68HC705P6AMP 制造商:Rochester Electronics LLC 功能描述:- Bulk
MC68HC705P6CDW 制造商:Motorola Inc 功能描述:
MC68HC705P6CP 制造商:Freescale Semiconductor 功能描述: 制造商:Motorola Inc 功能描述:
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