UPD75238GJ 查看數據表（PDF） - NEC => Renesas Technology
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UPD75238GJ Datasheet PDF : 190 Pages
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µPD75238
Table 2-4 µPD75238 I/O Map (4/4)
Address
Hardware name (symbol)
b3
b2
b1
b0
FF0H
FF1H
FF2H
FF3H
FF4H
FF5H
FF6H
FF7H
FF8H
FF9H
FFAH
FFBH
FFCH
FFDH
FFEH
FFFH
Port 0 (PORT0)
Port 1 (PORT1)
Port 2 (PORT2)
Port 3 (PORT3)
Port 4 (PORT4)
Port 5 (PORT5)
Port 6 (PORT6)
Port 7 (PORT7)
Port 8 (PORT8)
Port 9 (PORT9)
Port 10 (PORT10)
Port 11 (PORT11)
Port 12 (PORT12)
Port 13 (PORT13)
Port 14 (PORT14)
Port 15 (PORT15)
R/W
Number of ma- Bit manipu-
nipulatable bits lation ad-
1 bit 4 bits 8 bits dressing
R
R
R/W
– fmem.bit
pmem.@L
–
R/W
R/W
R/W
R/W
R/W
R
–
R
W
W
W
W
W
W
1A0H+4n Display data memory: S16-S23 (n = 0 to 15)
1A1H+4n
1BEH Key scan register (KS2)
1BFH
1C0H+4n Display data memory: S0-S7 (n = 0 to 15)
1C1H+4n
1C2H+4n Display data memory: S8-S15 (n = 0 to 15)
1C3H+4n
1FCH Key scan register (KS0)
1FDH
1FEH Key scan register (KS1)
1FFH Port H (PORTH)
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
mem.bit
Remarks
26
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