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HD404459 Datasheet, PDF (103/122 Pages) Renesas Technology Corp – 4-bit HMCS400-series microcomputers
HD404459 Series
Pin No. MCU Mode
PROM Mode
Pin No. MCU Mode
PROM Mode
FP-64A Pin Name
I/O Pin Name I/O FP-64A Pin Name I/O Pin Name I/O
57
R80
I/O O4
I/O 61
R90
I/O O0
I/O
58
R81
I/O O3
I/O 62
R91
I/O VCC
59
R82
I/O O2
I/O 63
R92
I/O
60
R83
I/O O1
I/O 64
R93/VCref
I
Notes: 1. I/O: Input/output pin, I: Input pin, O: Output pin
2. Each of O0–O4 has two pins; before using them, each pair must be connected together.
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