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参数资料
| 型号： | M37481M8T-XXXSP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PDIP42 |
| 封装： | 0.600 INCH, 1.78 MM PITCH, SHRINK, PLASTIC, DIP-42 |
| 文件页数： | 5/100页 |
| 文件大小： | 1457K |
| 代理商： | M37481M8T-XXXSP |
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9
MITSUBISHI MICROCOMPUTERS
7480/7481 GROUP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
PRELIMINAR
Y
Notice:
This
is not
a final
specification.
Some
parametric
limits
are
subject
to change.
VCC, VSS
AVSS
VREF
_____
RESET
P00 – P07
P10 – P17
PIN DESCRIPTION
Table 3. Pin description
Clock input
Clock output
XIN
XOUT
Input
Output
Input
I/O
Power source
Analog power
source input
Reference voltage
input
Reset input
I/O port P0
I/O port P1
P20 – P27
Apply a voltage of 2.7 to 5.5 V to VCC and 0 V to VSS.
Ground level input pin for A-D converter. Apply the same voltage as Vss. (This
pin is for 44P6N-A package only.)
Reference voltage input pin for A-D converter. (When the A-D converter is not
used, connect it to VCC.)
Reset input pin active “L”.
These are I/O pins for the internal clock generating circuit of the main clock. To
control the generating frequency, an external ceramic is connected between
the XIN and XOUT pins. If an external clock is used, the clock source should be
connected to the XIN pin, and the XOUT pin should be left open. The feedback
resistor is connected between XIN and XOUT.
8-bit I/O port. The output structure is CMOS output.
When this port is selected for input, pull-up transistors can be connected in
units of 1 bit, and a key-on wake-up function is provided.
8-bit I/O port. The output structure is CMOS output.
When this port is selected for input, pull-up transistors can be connected in
units of 4 bits. P12 and P13 are in common with timer output pins T0 and T1.
P14, P15, P16 and P17 are in common with serial I/O pins RXD, TXD, SCLK and
____
SRDY, respectively.
8-bit input port. (Only 4 bits of P20 to P23 for the 7480 group) or analog input
pins IN0 to IN7 (IN0 to IN3 for the 7480 group).
Input port P2
Input
4-bit input port. P30 and P31 can be configured to serve as external interrupt
input pins INT0 and INT1.
4-bit I/O port. (2 bits of P40 and P41 for the 7480 group). The output structure
is N-channel open drain output, having a built-in clamp diode. P40 and P41 can
be configured to serve as timer I/O pins CNTR0 and CNTR1.
4-bit I/O port. (This port is not included in the 7480 group.) The output structure
is N-channel open drain output, having built-in clamp diodes.
P30 – P33
Input port P3
P40 – P43
P50 – P53
I/O port P4
I/O port P5
I/O
Input
Pin
Name
Functions
Input/
output
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M37481M8-XXXFP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 7470 SERIES |
| M37481M8-XXXSP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 7470 SERIES |
| M37481MT-088FP | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37481MXT | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37481MXT-XXXFP | 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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