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7477 数据表(PDF) 29 Page - Renesas Technology Corp

部件名 7477
功能描述  SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
PDF  48 Pages
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制造商  RENESAS [Renesas Technology Corp]
网页  http://www.renesas.com
标志 RENESAS - Renesas Technology Corp

7477 数据表(HTML) 29 Page - Renesas Technology Corp

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MITSUBISHI MICROCOMPUTERS
7477/ 7478 GROUP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Fig. 20 Block diagram of ports P14 – P17
Direction register
Port latch
Tr6
Port P17
Data bus
SIOE
SIOM
SRDY
SRDY
Tr7
Port P16
Data bus
SIOM
SIOE
CLK 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
CLK input
Direction register
Port latch
Direction register
Port latch
Direction register
Port latch
Pull-up control
register



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