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7477 Datasheet(PDF) 47 Page - Renesas Technology Corp

Part # 7477
Description  8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 7470 SERIES
PDF  361 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

7477 Datasheet(HTML) 47 Page - Renesas Technology Corp

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HARDWARE
1.10 I/O pins
7470/7471/7477/7478 GROUP USER’S MANUAL
1-40
1.10.2 Port block diagram
Figure 1.10.5 to Figure 1.10.9 show the block diagram of I/O ports.
Fig. 1.10.5 Block diagram of Ports P0, P10 to P13
Port P13
Tr2
Pull-up
control register
Port P1
T34M7
T1
Port P12
Tr3
T12M3
T0
Port P11
Tr4
Port P10
Tr5
Port latch
Direction register
Tr1-Tr5 are pull-up transistors
Port P0
Tr1
Data bus
Port P0
Data bus
Data bus
Data bus
Data bus
Data bus
Direction register
Port latch
Direction register
Port latch
Port latch
Direction register
Pull-up
control register
Direction register
Port latch
Interrupt control circuit



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