400
10.13.3
Pin Functions
Port G is used also as external interrupt input pins (
IRQ6
,
IRQ7
) and bus control signal output
pins (
CS0
to
CS3
,
CAS
,
OE
). The pin functions are different between modes 4 and 6, and
mode 7. Table 10-23 shows the port G pin functions.
Table 10-23 Port G Pin Functions
Pin
Selection Method and Pin Functions
PG4/
CS0
The pin function is switched as shown below according to the operating mode and
bit PG4DDR.
Operating
Mode
Modes 4 to 6
Mode 7
PG4DDR
0
1
0
1
Pin function
PG4 input pin
CS0
output pin
PG4 input pin
PG4 output pin
PG3/
CS1
The pin function is switched as shown below according to the operating mode and
bit PG3DDR.
Operating
Mode
Modes 4 to 6
Mode 7
PG3DDR
0
1
0
1
Pin function
PG3 input pin
CS1
output pin
PG3 input pin
PG3 output pin
PG2/
CS2
The pin function is switched as shown below according to the operating mode and
bit PG2DDR.
Operating
Mode
Modes 4 to 6
Mode 7
PG2DDR
0
1
0
1
Pin function
PG2 input pin
CS2
output pin
PG2 input pin
PG2 output pin
Содержание H8S/2631
Страница 28: ...xviii Appendix G Package Dimensions 1154 ...
Страница 341: ...316 Transfer SAR or DAR DAR or SAR Block area First block Nth block Figure 9 8 Memory Mapping in Block Transfer Mode ...
Страница 918: ...905 ø DREQ0 DREQ1 tDRQS tDRQH Figure 25 19 DMAC DREQ Input Timing ...
Страница 955: ...943 A 2 Instruction Codes Table A 2 shows the instruction codes ...