h8s-2172 Renesas Electronics Corporation., h8s-2172 Datasheet - Page 293
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h8s-2172
Manufacturer Part Number
h8s-2172
Description
Renesas 16-bit Single-chip Microcomputer H8s Family H8s-2100 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2172.pdf
(570 pages)
- Current page: 293 of 570
- Download datasheet (5Mb)
8.11
8.11.1
PFCR1 performs I/O port control for the external interface pin and φ output pin.
Bit
7
6
5
4
3
2
1
Bit Name
CS1E
CS2E
CS3E
CKOE
ALOE
AMOE
Pin Selection
Port Function Control Register 1 (PFCR1)
Initial
Value
0
0
0
0
1
1
1
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reserved
Address Output Enable
Address Output Enable
Description
This bit can be read from or written to. However, the
write value should always be 0.
CS1 Enable
Enables or disables output for CS1.
0: Set as I/O port
1: Set as CS1 output pin
CS2 Enable
Enables or disables output for CS2.
0: Set as I/O port
1: Set as CS2 output pin
CS3 Enable
Enables or disables output for CS3.
0: Set as I/O port
1: Set as CS3 output pin
φ Output Enable
Enables or disables output for φ.
0: Set as I/O port
1: Set as φ output pin
Enables or disables address output.
0: Set as I/O port
1: Set A7 to A0 pins as address output pins
Enables or disables address output.
0: Set as I/O port
1: Set A15 to A8 pins as address output pins
Rev. 2.00, 03/04, page 261 of 534
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