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HD6432351 Datasheet(PDF) 409 Page - Renesas Technology Corp

Part # HD6432351
Description  16-Bit Single-Chip Microcomputer
PDF  1025 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD6432351 Datasheet(HTML) 409 Page - Renesas Technology Corp

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Section 9 I/O Ports
Rev. 3.00 Sep 15, 2006 page 375 of 988
REJ09B0330-0300
9.9
Port B
9.9.1
Overview
Port B is an 8-bit I/O port. Port B has an address bus output function, and the pin functions change
according to the operating mode. However, in the H8S/2350, port B pins function only as address
outputs.
Port B has a built-in MOS input pull-up function that can be controlled by software (H8S/2351
only).
Figure 9.11 shows the port B pin configuration.
PB7/A15
PB6/A14
PB5/A13
PB4/A12
PB3/A11
PB2/A10
PB1/A9
PB0/A8
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
Note: * Modes 2, 3, 6, and 7 only apply to the H8S/2351.
(input)/
(input)/
(input)/
(input)/
(input)/
(input)/
(input)/
(input)/
A15
A14
A13
A12
A11
A10
A9
A8
(output)
(output)
(output)
(output)
(output)
(output)
(output)
(output)
Port B pins
Pin functions in modes 2 and 6*
Pin functions in modes 3 and 7*
A15
A14
A13
A12
A11
A10
A9
A8
(output)
(output)
(output)
(output)
(output)
(output)
(output)
(output)
Pin functions in modes 1, 4, and 5
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
(I/O)
(I/O)
(I/O)
(I/O)
(I/O)
(I/O)
(I/O)
(I/O)
Port B
Figure 9.11 Port B Pin Functions



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