HD6432633 Datasheet, PDF (419/1453 Pages) Renesas Technology Corp – Series of Microcomputers (MCUs: microcomputer units)

Port Description
Port F • 8-bit I/O
port
PF7 /ø
Pins
Mode 4
Mode 5
Mode 6
When DDR = 0: input port
When DDR = 1 (after reset): ø output
PF6 /AS/LCAS
RD, HWR, LWR outputs
PF5 /RD
ADTRG, IRQ3 input
PF4 /HWR
When LCASS = 0: AS output
PF3/LWR/ADTRG/
IRQ3
When RMTS2 to RMTS0 = B'001 to B'011,
CW2 = 0, and LCASS = 1: LCAS output
PF2/LCAS/WAIT/
BREQO
When WAITE = 0 and BREQOE = 0 (after
reset): I/O port
When WAITE = 1 and BREQOE = 0: WAIT
input
When WAITE = 0 and BREQOE = 1: BREQO
input
When RMTS2 to RMTS0 = B'001 to B'011,
CW2 = 0, and LCASS = 0: LCAS output
PF1/BACK/BUZZ
When BRLE = 0 (after reset): I/O port
PF0/BREQ/IRQ2
When BRLE = 1: BREQ input, BACK output
BUZZ output, IRQ2 input
Port G • 5-bit I/O
port
PG4 /CS0
When DDR = 0*¹: input port
When DDR = 1*²: CS0 output
PG3 /CS1
When DDR = 0 (after reset): input port
PG2 /CS2
When DDR = 1: CS1, CS2, CS3 outputs
PG1 /CS3/OE/IRQ7 OE output, IRQ7 input
PG0 /CAS/IRQ6
DRAM space set: CAS output
Otherwise (after reset): I/O port
IRQ6 input
Notes: *1 After a reset in mode 6
*2 After a reset in modes 4 or 5
Mode 7
When
DDR = 0 (after
reset): input
port
When
DDR = 1: ø
output
I/O port
ADTRG, IRQ3
input
I/O port
BUZZ output
IRQ2 input
I/O port
I/O port
I/O port, IRQ7
input
I/O port, IRQ6
input
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