參數(shù)資料
型號(hào)： MC68HC705P6ADW
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, PDSO28
封裝： SOIC-28
文件頁數(shù)： 35/98頁
文件大?。?/td> 532K
代理商： MC68HC705P6ADW
Input/Output Ports
MC68HC705P6A Advance Information Data Sheet, Rev. 2.1
40
Freescale Semiconductor
NOTE
To avoid generating a glitch on an I/O port pin, data should be written to the
I/O port data register before writing a logic 1 to the corresponding data
direction register.
At power-on or reset, all DDRs are cleared, which configures all port pins as inputs. The DDRs are
capable of being written to or read by the processor. During the programmed output state, a read of the
data register will actually read the value of the output data latch and not the level on the I/O port pin.
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
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
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
Note: Does not affect input, but stored to data register
Table 6-4. Port D I/O Functions
DDRD
I/O Pin Mode
Accesses to
DDRD @ $0007
Accesses to Data
Register @ $0003
Read/Write
Read
Write
0
IN, Hi-Z
DDRD5
I/O Pin
See Note 1
1
OUT
DDRD5
PD5
Notes:
1. Does not affect input, but stored to data register
2. PD7 is input only
相關(guān)PDF資料
PDF描述
MC68HC705P6AMDW 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDSO28
MC68HC705P6AMDWER2 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDSO28
MC68HC705P6ASD 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER
MC68HC705P6AMDWR2 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDSO28
MC68HC705P6ASD 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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(biāo)準(zhǔn)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(shè)備:POR，PWM，溫度傳感器，WDT 輸入/輸出數(shù):21 程序存儲(chǔ)器容量:40KB（20K x 16） 程序存儲(chǔ)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(shù)據(jù)轉(zhuǎn)換器:A/D 6x12b 振蕩器型:內(nèi)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:
MC68HC705P6ECDW 制造商:Motorola Inc 功能描述: 制造商:MOTOROLA 功能描述:
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