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H8S2245 Datasheet(PDF) 289 Page - Renesas Technology Corp

Part # H8S2245
Description  Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
PDF  818 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H8S2245 Datasheet(HTML) 289 Page - Renesas Technology Corp

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Section 8 I/O Ports
Rev.3.00 Mar. 26, 2007 Page 247 of 772
REJ09B0355-0300
8.8
Port B
8.8.1
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.
Port B has a built-in MOS input pull-up function that can be controlled by software.
Figure 8.10 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 cannot be used in the H8S/2240.
(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 8.10 Port B Pin Functions



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