參數(shù)資料
型號： UPD780031AYCW(A)-XXX
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 8.38 MHz, MICROCONTROLLER, PDIP64
封裝： 0.750 INCH, PLASTIC, SDIP-64
文件頁數(shù)： 13/94頁
文件大?。?/td> 682K
代理商： UPD780031AYCW(A)-XXX
20
PD780031A(A), 780032A(A), 780033A(A), 780034A(A), 780031AY(A), 780032AY(A), 780033AY(A), 780034AY(A)
Data Sheet U15132EJ2V0DS
Note
The internal ROM and internal high-speed RAM capacities vary depending on the product (see the following
table).
Part Number
Last Address of Internal ROM
Start Address of Internal High-Speed RAM
nnnnH
mmmmH
PD780031A(A), 780031AY(A)
1FFFH
FD00H
PD780032A(A), 780032AY(A)
3FFFH
PD780033A(A), 780033AY(A)
5FFFH
FB00H
PD780034A(A), 780034AY(A)
7FFFH
4. MEMORY SPACE
Figure 4-1 shows the memory map of the
PD780031A(A), 780032A(A), 780033A(A), 780034A(A), 780031AY(A),
780032AY(A), 780033AY(A), and 780034AY(A).
Figure 4-1. Memory Map
Special function registers (SFR)
256
× 8 bits
General-purpose
registers
32
× 8 bits
Internal high-speed
RAMNote
Reserved
External memory
Internal ROMNote
Data memory
space
Program memory
space
FFFFH
FF00H
FEFFH
FEE0H
FEDFH
mmmmH
mmmmH – 1
F7FFH
nnnnH + 1
nnnnH
0000H
Program area
CALLF entry area
Program area
CALLT table area
Vector table area
nnnnH
1000H
0FFFH
0800H
07FFH
0080H
007FH
0040H
003FH
0000H
F800H
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