參數(shù)資料
型號： M38004E8-XXXSP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PDIP64
封裝： 0.750 INCH, 1.78 MM PITCH, PLASTIC, SDIP-64
文件頁數(shù)： 100/174頁
文件大?。?/td> 1752K
代理商： M38004E8-XXXSP
1-16
HARDWARE
3800 GROUP USER’S MANUAL
Pin
P00 – P07
P10 – P17
P20 – P27
P30 – P37
P40,P41
P42/INT0,
P43/INT1
P44/RXD,
P45/TXD,
P46/SCLK,
P47/SRDY
P50/INT2,
P51/INT3,
P52/INT4,
P53/INT5
P54/CNTR0,
P55/CNTR1
P56,P57
P60 – P67
P70, P71
Name
Port P0
Port P1
Port P2
Port P3
Port P4
Port P5
Port P6
Port P7
Input/Output
Input/output,
individual bits
Input/output,
individual bits
Input/output,
individual bits
Input/output,
individual bits
Input/output,
individual bits
Input/output,
individual bits
Input/output,
individual bits
Input/output,
individual bits
I/O Format
CMOS 3-state output
CMOS compatible
input level
CMOS 3-state output
CMOS compatible
input level
CMOS 3-state output
CMOS compatible
input level
CMOS 3-state output
CMOS compatible
input level
CMOS 3-state output
CMOS compatible
input level
CMOS 3-state output
CMOS compatible
input level
CMOS 3-state output
CMOS compatible
input level
CMOS 3-state output
CMOS compatible
input level
Non-Port Function
Address low-order byte
output
Address high-order
byte output
Data bus I/O
Control signal I/O
External interrupt input
Serial I/O function I/O
External interrupt input
Timer X and Timer Y
function I/O
Ref.No.
(1)
(2)
(3)
(4)
(5)
(6)
(2)
(7)
(1)
Table 6. List of I/O port functions
Related SFRs
CPU mode register
Interrupt edge selection
register
Serial I/O control
register
UART control register
Interrupt edge selection
register
Timer XY mode register
Note 1: For details of the functions of ports P0 to P3 in modes other than single-chip mode, and how to use double-function ports as func-
tion I/O ports, refer to the applicable sections.
2: Make sure that the input level at each pin is either 0 V or VCC during execution of the STP instruction.
When an input level is at an intermediate potential, a current will flow from VCC to VSS through the input-stage gate.
I/O Ports
Direction registers
The 3800 group has 58 programmable I/O pins arranged in eight
I/O ports (ports P0 to P7). The I/O ports have direction registers
which determine the input/output direction of each individual pin.
Each bit in a direction register corresponds to one pin, each pin
can be set to be input port or output port.
When “0” is written to the bit corresponding to a pin, that pin be-
comes an input pin. When “1” is written to that bit, that pin be-
comes an output pin.
If data is read from a pin which is set to output, the value of the
port output latch is read, not the value of the pin itself. Pins set to
input are floating. If a pin set to input is written to, only the port
output latch is written to and the pin remains floating.
FUNCTIONAL DESCRIPTION
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M38004E8-XXXSS 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER
M38004M1-DXXXFP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 38000 SERIES
M38004M1-DXXXSP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 38000 SERIES
M38004M1-XXXFP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER
M38004M1-XXXFS 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER
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