參數(shù)資料
型號(hào): MC68HC705K1CP
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, MICROCONTROLLER, PDIP16
封裝: PLASTIC, DIP-16
文件頁數(shù): 113/140頁
文件大?。?/td> 1219K
代理商: MC68HC705K1CP
Technical Data
MC68HC705K1 — Rev. 2.0
74
Parallel Input/Output (I/O)
MOTOROLA
Parallel Input/Output (I/O)
Table 7-3. PB1/OSC3 Pin Functions
Control Bits
PB1/OSC3
Pin Mode
Accesses
to PDRB
Accesses
to DDRB
Accesses
to PORTB
RC
PIN3
SWPDI
PDIB1
DDRB1
Read
Write
Read/Write
Read
Write
0
X(1)
1
X
0
Input, hi-z
U(2)
PDIB1
DDRB1
Pin
PB1
0
X
1
X
1
Output
U
PDIB1
DDRB1
PB1
0X
0
Input,
pulldown on
U
PDIB1
DDRB1
Pin
PB1
0
X
0
1
Output
U
PDIB1
DDRB1
PB1
0
X
0
1
0
Input, hi-z
U
PDIB1
DDRB1
Pin
PB1
0
X
0
1
Output
U
PDIB1
DDRB1
PB1
1
0
1
X
0
Input, hi-z
U
PDIB1
DDRB1
Pin
PB1
1
0
1
X
1
Output
U
PDIB1
DDRB1
PB1
10
0
Input,
pulldown on
U
PDIB1
DDRB1
Pin
PB1
1
0
1
Output
U
PDIB1
DDRB1
PB1
1
0
1
0
Input, hi-z
U
PDIB1
DDRB1
Pin
PB1
1
0
1
Output
U
PDIB1
DDRB1
PB1
11
X
3-pin
RC oscillator
output
U
PDIB1
DDRB1
PB1
1. X = Don’t care
2. U = Undefined