參數(shù)資料
型號: UPD68AMC-XXX-5A4
元件分類: 微控制器/微處理器
英文描述: 4-BIT, OTPROM, 4.5 MHz, MICROCONTROLLER, PDSO20
封裝: 0.300 INCH, PLASTIC, SSOP-20
文件頁數(shù): 4/73頁
文件大小: 561K
代理商: UPD68AMC-XXX-5A4
10
PD67, 67A, 68, 68A, 69
Data Sheet U14935EJ2V1DS
2.4 Program Memory (ROM): 1,002 Steps
× 10 Bits (
PD67, 67A)
2,026 Steps
× 10 Bits (
PD68, 68A)
4,074 Steps
× 10 Bits (
PD69)
The ROM consists of 10 bits per step, and is addressed by the program counter.
The program memory stores programs and table data, etc.
The 22 steps from 7EAH to 7FFH of the
PD67, 67A, 68, and 68A, and FEAH to FFFH of the PD69 cannot
be used in the test program area.
Figure 2-3.
Program Memory Map
Note The unmounted area and test program area are designed so that a program or data placed in either of
them by mistake is returned to the 000H address.
10 bits
Page 0
0
3
4
7
0
3
7
Unmounted areaNote
Test program areaNote
Page 0
Page 1
10 bits
(a)
PD67, 67A
(b)
PD68, 68A
0
7
8
F
Test program areaNote
Page 0
10 bits
(c)
PD69
3
4
B
C
Page 1
Page 2
Page 3
H
0
F
0
9
A
F
0
F
0
E
F
H
0
9
A
9
A
F
0
E
F
H
0
F
0
9
A
F
0
F
0
F
0
E
F
0
F
0
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