h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 291
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h8s-2646
Manufacturer Part Number
h8s-2646
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2646.pdf
(1165 pages)
- Current page: 291 of 1165
- Download datasheet (6Mb)
9.9
9.9.1
Port B is an 8-bit I/O port. Port B also functions as LCD driver output pins (H8S/2646,
H8S/2646R, H8S/2645: SEG16 to SEG9, H8S/2648, H8S/2648R, H8S/2647: SEG32 to SEG9)
and as address bus outputs. The pin functions are determined by the operating mode.
Port B has a built-in MOS input pull-up function that can be controlled by software.
Figure 9.8 shows the port B pin configuration.
Notes: 1. In the H8S/2646, H8S/2646R, and H8S/2645.
Port B
2. In the H8S/2648, H8S/2648R, and H8S/2647.
Port B
Overview
Port B pins
PB7 / A15 / SEG16
PB6 / A14 / SEG15
PB5 / A13 / SEG14
PB4 / A12 / SEG13
PB3 / A11 / SEG12
PB2 / A10 / SEG11
PB1 / A9 / SEG10
PB0 / A8 / SEG9
Figure 9.8 Port B Pin Functions
*1
*1
*1
*1
*1
*1
*1
*1
/ SEG25
/ SEG32
/ SEG31
/ SEG30
/ SEG29
/ SEG28
/ SEG27
/ SEG26
*2
*2
*2
*2
*2
*2
*2
*2
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
Pin functions in modes 4 to 6
Mode 7 pins
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
(I/O) /
(I/O) /
(I/O) /
(I/O) /
(I/O) /
(I/O) /
(I/O) /
(I/O) /
(I/O) / SEG16
(I/O) / SEG15
(I/O) / SEG14
(I/O) / SEG13
(I/O) / SEG12
(I/O) / SEG11
(I/O) / SEG10
(I/O) / SEG9
Rev. 5.00 Sep 22, 2005 page 265 of 1136
A15
A14
A13
A12
A11
A10
A9
A8
(output) / SEG16
(output) / SEG15
(output) / SEG14
(output) / SEG13
(output) / SEG12
(output) / SEG11
(output) / SEG10
(output) / SEG9
*1
*1
*1
*1
*1
*1
*1
*1
(output) / SEG32
(output) / SEG31
(output) / SEG30
(output) / SEG29
(output) / SEG28
(output) / SEG27
(output) / SEG26
(output) / SEG25
*1
*1
*1
*1
*1
*1
*1
*1
(output) / SEG32
(output) / SEG31
(output) / SEG30
(output) / SEG29
(output) / SEG28
(output) / SEG27
(output) / SEG26
(output) / SEG25
*2
*2
*2
*2
*2
*2
*2
*2
Section 9 I/O Ports
(output)
(output)
(output)
(output)
(output)
(output)
(output)
(output)
REJ09B0257-0500
*2
*2
*2
*2
*2
*2
*2
*2
(output)
(output)
(output)
(output)
(output)
(output)
(output)
(output)
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