upd75238 Renesas Electronics Corporation., upd75238 Datasheet - Page 26
upd75238
Manufacturer Part Number
upd75238
Description
4 Bit Single-chip Microcomputer
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD75238.pdf
(190 pages)
- Current page: 26 of 190
- Download datasheet (2Mb)
26
1A0H+4n
1A1H+4n
1C0H+4n
1C1H+4n
1C2H+4n
1C3H+4n
Address
FFAH
FFBH
FFCH
FFDH
FFEH
1BEH
1BFH
1FCH
1FDH
1FEH
FF0H
FF1H
FF2H
FF3H
FF4H
FF5H
FF6H
FF7H
FF8H
FF9H
FFFH
1FFH
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)
Display data memory: S16-S23 (n = 0 to 15)
Key scan register (KS2)
Display data memory: S0-S7 (n = 0 to 15)
Display data memory: S8-S15 (n = 0 to 15)
Key scan register (KS0)
Key scan register (KS1)
Port H (PORTH)
b3
Hardware name (symbol)
b2
b1
Table 2-4
b0
PD75238 I/O Map (4/4)
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
W
W
W
W
W
W
R
R
R
R
1 bit 4 bits
Number of ma-
nipulatable bits
8 bits
–
–
–
Bit manipu-
lation ad-
dressing
pmem.@L
fmem.bit
mem.bit
Remarks
PD75238
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