HD6412373R RENESAS [Renesas Technology Corp], HD6412373R Datasheet - Page 605

• Manufacturer Part Number: HD6412373R
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

10.15.4 Port Function Control Register 0 (PFCR0)
PFCR0 performs I/O port control.
Bit
0
10.15.5 Pin Functions
Port G pins also function as the pins for bus control signal I/Os. The correspondence between the
register specification and the pin functions is shown below.
Note: Only modes 1 and 2 are supported on ROM-less versions.
• PG6/BREQ
7
6
5
4
3
2
1
Operating
mode
EXPE
BRLE
PG6DDR
Pin
function
The pin function is switched as shown below according to the operating mode, bit EXPE, bit
BRLE, and bit PG6DDR.
Bit Name
CS7E
CS6E
CS5E
CS4E
CS3E
CS2E
CS1E
CS0E
input
PG6
0
Initial Value
1
1
1
1
1
1
1
1
0
output
1, 2, 4
PG6
⎯
1
BREQ
input
⎯
1
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
PG6 input
Description
CS7 to CS0 Enable
These bits enable or disable the corresponding CSn
output.
0: Pin is designated as I/O port
1: Pin is designated as CSn output pin
0
⎯
0
output
Rev.7.00 Mar. 18, 2009 page 537 of 1136
PG6
1
input
PG6
0
7
0
output
PG6
Section 10 I/O Ports
1
REJ09B0109-0700
1
BREQ input
(n = 7 to 0)
⎯
1