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参数资料
| 型号： | S3P7238XX-QW |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 4-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PQFP80 |
| 封装： | 14 X 20 MM, QFP-80 |
| 文件页数： | 8/36页 |
| 文件大小： | 295K |
| 代理商： | S3P7238XX-QW |
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ELECTRICAL DATA
S3C7238/P7238/C7235/P7235
14-8
CPU CLOCK = 1/n x oscillator frequency (n = 4, 8, 64)
1
Supply Voltage (V)
250 kHz
500 kHz
750 kHz
1.00 MHz
1.0475 MHz
15.6 kHz
CPU Clock
1.5 MHz
3
4
5
6
7
1.8
Main OSC. Frequency
6 MHz
4.19 MHz
3 MHz
Figure 14-1. Standard Operating Voltage Range
Table 14-7. RAM Data Retention Supply Voltage in Stop Mode
(TA = – 40 °C to + 85 °C)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Data retention supply voltage
VDDDR
Normal operation
1.8
–
6.5
V
Data retention supply current
IDDDR
VDDDR = 1.8 V
–
0.1
10
A
Release signal set time
tSREL
Normal operation
0
–
s
Oscillator stabilization wait
tWAIT
Released by RESET
–
2
17/fx
–
ms
time (1)
Released by interrupt
–
(2)
–
NOTES:
1.
During oscillator stabilization wait time, all CPU operations must be stopped to avoid instability during oscillator
start-up.
2.
Use the basic timer mode register (BMOD) interval timer to delay execution of CPU instructions during the wait time.
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