參數資料
型號: M37161EFSP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PDIP42
封裝: 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-42
文件頁數: 17/129頁
文件大小: 1092K
代理商: M37161EFSP
Rev.1.00
2003.11.25
page 113 of 128
M37161M8/MA/MF-XXXSP/FP,M37161EFSP/FP
Address 00DC16
b7 b6 b5 b4 b3 b2 b1 b0
Interrupt input polarity register (RE) [Address 00DC 16]
B
Name
Functions
After reset
R W
Interrupt Input Polarity Register
INT1 polarity switch bit
(INT1)
0
0 : Positive polarity
1 : Negative polarity
0
1
0 : Positive polarity
1 : Negative polarity
2
3
to
7
INT2 polarity switch bit
(INT2)
INT3 polarity switch bit
(INT3)
Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are “0.”
0R W
RW
R —
0 : Positive polarity
1 : Negative polarity
b7 b6 b5 b4 b3 b2 b1 b0
Serial I/O mode register (SM) [Address 00EB16]
B
Name
Functions
After reset RW
Serial I/O Mode Register
0, 1 Internal synchronous
clock selection bits
(SM0, SM1)
b1 b0
0 0: f(XIN)/8 or f(XCIN)/8
0 1: f(XIN)/16 or f(XCIN)/16
1 0: f(XIN)/32 or f(XCIN)/32
1 1: f(XIN)/64 or f(XCIN)/64
2
Synchronous clock
selection bit (SM2)
3
Port function
selection bit (SM3)
4
5
Transfer direction
selection bit (SM5)
0
0: P20, P21
1: SCLK, SOUT
0: External clock
1: Internal clock
0: LSB first
1: MSB first
6
Fix this bit to “0.”
0
Transfer clock input
pin selection bit (SM6)
0: Input signal from SIN pin
1: Input signal from SOUT pin
RW
R W
RW
0
7
Fix this bit to “0.”
0R W
Address 00EB16
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