323
PAn
R
PAnPCR
C
Q
D
Reset
Modes
1, 2, 4, 5, 6
Mode 7
WPCRA
S
AmE
PFCR1
C
Q
D
Set
WPFCR1
RPCRA
RPFCR1
R
PAnDDR
C
Q
D
Reset
WDDRA
R
PAnDR
C
Q
D
Reset
WDRA
R
PAnODR
C
Q
D
Reset
WODRA
RDRA
RPORA
RODRA
WDDRA: Write to PADDR
WDRA:
Write to PADR
WODRA: Write to PAODR
WPCRA: Write to PAPCR
WPFCR1: Write to PFCR1
n = 5, 6, 7
m = 21, 22, 23
*
1
*
2
System controller
EXPE
Internal data bus
Internal address bus
RPORA: Read port A
RDRA: Read
PADR
RODRA: Read
PAODR
RPCRA: Read
PAPCR
RPFCR1: Read PFCR1
Notes: 1. Output enable signal
2. Open drain control signal
Figure 5.45 Port A Block Diagram (b) (Pins PA5 to PA7)
Содержание H8S/2670
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