参数资料
型号: M37481E8SP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 4 MHz, MICROCONTROLLER, PDIP42
封装: 0.600 INCH, 1.78 MM PITCH, SHRINK, PLASTIC, DIP-42
文件页数: 11/100页
文件大小: 1457K
代理商: M37481E8SP
15
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.
Fig. 13 Block diagram of ports (2)
Direction register
Port latch
Tr6
Port P17
Data bus
SIOE
SIOM
SRDY
SRDY
Tr7
Port P16
Data bus
SIOM
SIOE
SCLK output
SCS
SIOE
Tr8
Port P15
Data bus
SIOE
TXD
TE
Tr9
Port P14
Data bus
SIOE
RE
RXD
Data bus
Tr6 to Tr9 are pull-up transistors.
Ports P14 – P17
SCLK input
Direction register
Port latch
Direction register
Port latch
Direction register
Port latch
Pull-up control
register
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