D12320VF25IV Datasheet, PDF (1274/1304 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Appendix C I/O Port Block Diagrams
Modes 4 to 7
*1
PA_n
Mode 7
Modes 4 to 6
*2
Mode 7
Reset
R
Q
D
PAnPCR
C
WPCRA
RPCRA
Reset
R
Q
D
PAnDDR
C
WDDRA
Reset
R
Q
D
PAnDR
C
WDRA
Reset
R
Q
D
PAnODR
C
WODRA
RODRA
AmE
RDRA
Legend:
WDDRA: Write to PADDR
WDRA: Write to PADR
WODRA: Write to PAODR
WPCRA: Write to PAPCR
RDRA: Read PADR
RPORA: Read port A
RODRA: Read PAODR
RPCRA: Read PAPCR
AmE: Address output enable
IRQPAS: IRQ port switching select
RPORA
IRQPAS
IRQ_n interrupt
input
Notes: n = 5 to 7
m = 21 to 23
1. Output enable signal
2. Open drain control signal
Figure C.7 (c) Port A Block Diagram (Pins PA₅ to PA₇)
Rev.6.00 Sep. 27, 2007 Page 1242 of 1268
REJ09B0220-0600