HD64F3337YCP16V Datasheet, PDF (187/749 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Pin
P9₃/RD
Pin Functions and Selection Method
Bit P9₃DDR and the operating mode select the pin function as follows
Operating mode Modes 1 and 2
Mode 3
P9₃DDR
Pin function
—
RD output
0
P9₃ input
1
P9₃ output
P9₂/IRQ₀
P9₁/IRQ₁/
EIOW*
P9₀/IRQ₂/
ADTRG/ECS₂*
P9₂DDR
0
1
Pin function
P9₂ input
P9₂ output
IRQ₀ input
IRQ₀ input can be used when bit IRQ0E is set to 1 in IER
Bit STAC in STCR, bit P9₁DDR, and the operating mode select the pin function
as follows
Operating mode
Slave mode
Not slave mode
STAC
0
1
—
P9₁DDR
Pin function
0
1
P9₁ input P9₁ output
—
EIOW
input*
0
1
P9₁ input P9₁ output
IRQ₁ input
IRQ₁ input can be used when bit IRQ1E is set to 1 in IER
Note: * H8/3337 Series only. H8/3397 Series ICs have no EIOW pin function.
Bit STAC in STCR, bit P9₀DDR, and the operating mode select the pin function
as follows
Operating mode
Slave mode
Not slave mode
STAC
0
1
—
P9₀DDR
Pin function
0
1
P9₀ input P9₀ output
—
ECS₂
input*
0
1
P9₀ input P9₀ output
IRQ₂ input and
ADTRG input
IRQ₂ input
IRQ₂ input and
ADTRG input
IRQ₂ input can be used when bit IRQ2E is set to 1 in IER
ADTRG input can be used when bit TRGE is set to 1 in ADCR
Note: * H8/3337 Series only. H8/3397 Series ICs have no ECS₂ pin function.
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