UPD75518 NEC, UPD75518 Datasheet - Page 29

• Manufacturer Part Number: UPD75518
• Description: 4 BIT SINGLE-CHIP MICROCOMPUTER
• Manufacturer: NEC

3.3 DATA MEMORY (RAM)
• Memory banks 0, 1, 2, and 3 (data area)
• Memory bank 15 (peripheral hardware area)
The data memory is divided into a data area and a peripheral hardware area as shown in Fig. 3-3.
The data memory consists of the following memory banks, with each bank made of 256 words
Peripheral
hardware area
Data area
Static RAM
(1024
4)
Stack
area
General
register
area
Fig. 3-3 Data Memory Map
000H
01FH
020H
0FFH
100H
1FFH
200H
2FFH
300H
3FFH
F80H
FFFH
Not contained
Data memory
(32
256
256
256
256
128
4)
4
4
4
4
4
PD75518(A)
Memory bank
15
0
1
2
3
4 bits:
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