参数资料
型号: M37221M8H-XXXSP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP42
封装: 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-42
文件页数: 108/112页
文件大小: 1179K
代理商: M37221M8H-XXXSP
M37221M4H/M6H/M8H/MAH–XXXSP/FP M37221EASP/FP
Rev.1.00
Oct 01, 2002
page 95 of 110
REJ03B0134-0100Z
Address 00CB16
b7 b6 b5 b4 b3 b2 b1 b0
Port P5 direction register (D5) [Address 00CB16]
b
Name
Functions
After reset R W
Port P5 Direction Register
0, 10
R —
Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are “0.”
2
0 : R signal output
1 : Port P52 output
0
R W
3
Port P53 output signal
selection bit (P53SEL)
0 : G signal output
1 : Port P53 output
0
R W
4
Port P54 output signal
selection bit (P54SEL)
0 : B signal output
1 : Port P54 output
0
R W
5
Port P55 output signal
selection bit (P55SEL)
0 : OUT1 signal output
1 : Port P55 output
0
R W
6,7
Port P52 output signal
selection bit (P52SEL)
Indeterminate
R —
Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are “0.
Address 00CD16
b7b6b5 b4b3b2b1b0
P3 output mode control register(P3S) [Address 00CD16]
P3 output mode control register
0
4 to 7
P30 output form
selection bit (P30S)
0: CMOS output
1: N-channel open-drain output
1
P31 output form
selection bit (P31S)
0: CMOS output
1: N-channel open-drain output
2
DA1 output enable bit
(DA1S)
0: P30 input/output
1: DA1 output
3
DA2 output enable bit
(DA2S)
0: P31 input/output
1: DA2 output
After reset R W
BName
Functions
0
R W
R—
Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are “0.”
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