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| 型号： | M38827G5HP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP80 |
| 封装： | 12 X 12 MM, 0.50 MM PITCH, PLASTIC, LQFP-80 |
| 文件页数： | 5/62页 |
| 文件大小： | 606K |
| 代理商： | M38827G5HP |
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Rev.1.01
Nov 14, 2005
page 13 of 60
REJ03B0089-0101
3882 Group
Pin
Name
Input/Output
I/O Structure
Non-Port Function
Ref.No.
Table 6 I/O port function (1)
Related SFRs
I/O PORTS
All I/O pins are programmable as input or output. All I/O ports
have direction registers which specify the data direction of each
pin like input/output. One bit in a direction register corresponds to
one pin. Each pin can be set to be input or output port.
Writing “0” to the bit corresponding to the pin, that pin becomes an
input mode. Writing “1” to the bit, that pin becomes an output
mode.
When the data is read from the bit of the port register correspond-
ing to the pin which is set to output, the value shows the port latch
data, not the input level of the pin. When a pin set to input, the pin
comes floating. In input port mode, writing the port register
changes only the data of the port latch and the pin remains high
impedance state.
When the P8 function selection bit of the port control register 2 is
set to “1”, reading from address 001016 reads the port P4 register,
and reading from address 001116 reads the port P7 register.
Especially, the input level of P42 to P46 pins and P70 to P75 pins
can be read regardless of the data of the direction registers in this
case.
P00-P07
P10-P17
P20-P27
Port P0
Port P1
CMOS compatible
input level
CMOS 3-state output
or N-channel open-
drain output
Port control register 1
(1)
(2)
P30-P37
P40
P41
Port P2
CMOS compatible
input level
CMOS 3-state output
Port control register 1
Key-on wake up input
P42/INT0
P43/INT1
Port P3
P44
P45
P46
Input/output,
individual bits
Interrupt edge selection
register
Port control register 2
External interrupt input
P47/CLKRUN
Port P4
CMOS compatible
input level
CMOS 3-state output
or N-channel open-
drain output
Serialized IRQ control
register
Serialized IRQ function
output
(3)
(4)
(6)
(7)
(5)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M38827G5-XXXHP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38827G6-XXXHP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38827G7-XXXHP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38827G8-XXXHP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38827G9-XXXHP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
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