h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 296
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: 296 of 1165
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Section 9 I/O Ports
9.10
9.10.1
Port C is an 8-bit I/O port. Port C also functions as LCD driver output pins (H8S/2646,
H8S/2646R, H8S/2645: SEG8 to SEG1, H8S/2648, H8S/2648R, H8S/2647: SEG24 to SEG17)
and as address bus outputs. The pin functions are determined by the operating mode.
Port C has a built-in MOS input pull-up function that can be controlled by software.
Figure 9.9 shows the port C pin configuration.
Rev. 5.00 Sep 22, 2005 page 270 of 1136
REJ09B0257-0500
Notes: 1. In the H8S/2646, H8S/2646R, and H8S/2645.
Port C
2. In the H8S/2648, H8S/2648R, and H8S/2647.
Port C
Overview
Pin functions in mode 6
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
(I/O) /
(I/O) /
(I/O) /
(I/O) /
(I/O) /
(I/O) /
(I/O) /
(I/O) /
Port C pins
PC7 / A7 / SEG8
PC6 / A6 / SEG7
PC5 / A5 / SEG6
PC4 / A4 / SEG5
PC3 / A3 / SEG4
PC2 / A2 / SEG3
PC1 / A1 / SEG2
PC0 / A0 / SEG1
A7
A6
A5
A4
A3
A2
A1
A0
(output) / SEG8
(output) / SEG7
(output) / SEG6
(output) / SEG5
(output) / SEG4
(output) / SEG3
(output) / SEG2
(output) / SEG1
*1
*1
*1
*1
*1
*1
*1
*1
Figure 9.9 Port C Pin Functions
/ SEG24
/ SEG23
/ SEG22
/ SEG21
/ SEG20
/ SEG19
/ SEG18
/ SEG17
*1
*1
*1
*1
*1
*1
*1
*1
(output) / SEG19
(output) / SEG24
(output) / SEG23
(output) / SEG22
(output) / SEG21
(output) / SEG20
(output) / SEG18
(output) / SEG17
*2
*2
*2
*2
*2
*2
*2
*2
*2
*2
*2
*2
*2
*2
*2
*2
(output)
(output)
(output)
(output)
(output)
(output)
(output)
(output)
A7
A6
A5
A4
A3
A2
A1
A0
Pin functions in modes 4 and 5
Pin functions in mode 7
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
(output)
(output)
(output)
(output)
(output)
(output)
(output)
(output)
(I/O) / SEG8
(I/O) / SEG7
(I/O) / SEG6
(I/O) / SEG5
(I/O) / SEG4
(I/O) / SEG3
(I/O) / SEG2
(I/O) / SEG1
*1
*1
*1
*1
*1
*1
*1
*1
(output) / SEG24
(output) / SEG23
(output) / SEG22
(output) / SEG21
(output) / SEG20
(output) / SEG19
(output) / SEG18
(output) / SEG17
*2
*2
*2
*2
*2
*2
*2
*2
(output)
(output)
(output)
(output)
(output)
(output)
(output)
(output)
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