参数资料
型号: IS80C32-40PQ
厂商: INTEGRATED SILICON SOLUTION INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, 40 MHz, MICROCONTROLLER, PQFP44
封装: PLASTIC, QFP-44
文件页数: 32/48页
文件大小: 379K
代理商: IS80C32-40PQ
IS80C52
IS80C32
38
Integrated Silicon Solution, Inc. — 1-800-379-4774
MC004-1D
11/19/98
ISSI
Figure 27. ROM Verification
XTAL2
GND
XTAL1
4-6 MHz
P1
P2.4-P2.0
RST
EA
ALE
PSEN
P2.7
P2.6
1
0
Vcc
P0
+ 5V
A7-A0
A12-A8
PGM
DATA
10K x 8
ROM Verification
The address of the program memory location to be read
is applied to Port 1 and pins P2.4-P2.0. The other pins
should be held at the “Verify” level are indicated in Figure
26. The contents of the addressed locations exits on Port
0. External pullups are required on Port 0 for this operation.
Figure 26 shows the setup to verify the program memory.
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