參數(shù)資料
型號： UPD75402AGBA
廠商： NEC Corp.
英文描述： 4 BIT SINGLE-CHIP MICROCOMPUTER
中文描述： 4位單片機
文件頁數(shù)： 12/48頁
文件大?。?/td> 515K
代理商： UPD75402AGBA
12
μ
PD75402A(A)
4. MEMORY CONFIGURATION
Program memory (ROM): 1920
×
8 bits (000H to 77FH)
000H and 001H: Vector table which contains the program start address after reset
002H to 009H
: Vector table which contains the program start addresses when interrupts occur
Data memory
Data area
: 64
×
4 bits (000H to 03FH)
Peripheral hardware area: 128
×
4 bits (F80H to FFFH)
Fig. 4-1 Program Memory Map
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
6
5
4
3
Reset start address
(three high-order bits)
INTBT start address
(three high-order bits)
INT0 start address
(three high-order bits)
Reset start address (eight low-order bits)
INTBT start address (eight low-order bits)
INT0 start address (eight low-order bits)
INTCSI start address
(three high-order bits)
INTCSI start address (eight low-order bits)
Address
000H
001H
002H
003H
004H
005H
008H
009H
77FH
0
Entry address specified in
CALLF !faddr instruction
Branch address specified in
BRCB !caddr instruction
Relative branch address specified in
BR $addr instruction
–15 to –1,
+2 to +16
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