Port A - Hitachi H8S/2678 Series Reference Manual

5.19.9

Port A

*1
PAn
*2
WDDRA: Write to PADDR
WDRA:
WODRA: Write to PAODR
WPCRA: Write to PAPCR
WPFCR1: Write to PFCR1
n = 0, 1, 2, 3, 4
m = 16, 17, 18, 19, 20
Figure 5.44 Port A Block Diagram (a) (Pins PA0 to PA4)
322
Mode 4
Mode 7
Modes 1, 2, 5, 6
Mode 4
Mode 7
Modes 1, 2, 5, 6
RPORA:
Write to PADR RDRA:
RODRA:
RPCRA:
RPFCR1: Read PFCR1
Reset
R
Q D
PAnPCR
C
WPCRA
RPCRA
Set
S
Q D
PFCR1
AmE
C
WPFCR1
RPFCR1
Reset
R
Q D
PAnDDR
C
WDDRA
Reset
R
Q D
PAnDR
C
WDRA
Reset
R
Q D
PAnODR
C
WODRA
RODRA
RDRA
RPORA
Read port A
Read PADR
Read PAODR
Read PAPCR
Notes: 1. Output enable signal
System controller
EXPE
2. Open drain control signal