參數(shù)資料
型號(hào): S3P821A-TW
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PQFP80
封裝: 12 X 12 MM, TQFP-80
文件頁(yè)數(shù): 16/33頁(yè)
文件大小: 281K
代理商: S3P821A-TW
S3C821A/P821A
ELECTRICAL DATA
17-11
Table 17-9. Main Oscillation Stabilization Time
(T
A = – 40
°C + 85 °C, V
DD = 2.0 V to 5.5 V)
Oscillator
Test Condition
Min
Typ
Max
Unit
Crystal
fx > 400 kHz
20
ms
Ceramic
Oscillation stabilization occurs when V
DD is equal
to the minimum oscillator voltage range.
10
ms
External clock
X
IN input High and Low width (tXH, tXL)
25
500
ns
XIN
tXL
tXH
1 / f x
VDD – 0.1 V
0.1 V
Figure 17-6. Clock Timing Measurement at X
IN
Table 17-10. Sub Oscillation Stabilization Time
(T
A = – 40
°C + 85 °C, V
DD = 2.0 V to 5.5 V)
Oscillator
Test Condition
Min
Typ
Max
Unit
Crystal
10
s
External clock
XT
IN input High and Low width (tXH, tXL)
1
18
s
XTIN
tXTL
tXTH
1 / f xt
VDD – 0.1 V
0.1 V
Figure 17-7. Clock Timing Measurement at XT
IN
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