HD64F3337YCP16V Datasheet, PDF (181/749 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Pin
P8₄/IRQ₃/
IOW*/TxD₁
P8₃/IOR*
P8₂/CS₁*
P8₁/GA₂₀*
Pin Functions and Selection Method
Bit TE in SCR of SCI1, bit STAC in STCR, bit P8₄DDR, and the operating mode
select the pin function as follows
Operating mode
Slave mode
Not slave mode
STAC
0
1
—
TE
—
0
1
0
1
P8₄DDR
Pin function
—
IOW
input*
0
P8₄
input
1
P8₄
output
—
TxD₁
output
0
P8₄
input
1
—
P8₄ TxD₁
output output
IRQ₃ input
IRQ₃ input is usable when bit IRQ3E is set to 1 in IER
Note: * H8/3337 Series only. H8/3397 Series ICs have no IOW pin function.
Bit P8₃DDR and the operating mode select the pin function as follows
Operating mode
Slave mode
Not slave mode
P8₃DDR
—
0
1
Pin function
IOR input*
P8₃ input
P8₃ output
Note: * H8/3337 Series only. H8/3397 Series ICs have no IOR pin function.
Bit P8₂DDR and the operating mode select the pin function as follows
Operating mode
Slave mode
Not slave mode
P8₂DDR
—
0
1
Pin function
CS₁ input*
P8₂ input
P8₂ output
Note: * H8/3337 Series only. H8/3397 Series ICs have no CS₁ pin function.
Bit P8₁DDR and the operating mode select the pin function as follows
P8₁DDR
0
1
FGA20E
—
0
1
Operating mode
—
—
Not slave Slave mode
mode
Pin function
P8₁ input
P8₁ output
GA₂₀ output*
Note: * H8/3337 Series only. H8/3397 Series ICs have no GA₂₀ pin function.
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