參數(shù)資料
型號: S3C8444XX-TW
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 18 MHz, MICROCONTROLLER, PQFP80
封裝: 12 X 12 MM, TQFP-80
文件頁數(shù): 13/44頁
文件大小: 301K
代理商: S3C8444XX-TW
ELECTRICAL DATA
S3C8444
16–4
Table 16–3. A.C. Electrical Characteristics
(TA = – 20°C to + 85°C, VDD = 4.5 V to 6.0V)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Interrupt input
high, low width
tINTH,
tINTL
P3.0–P3.3, P4.0–P4.7
3
tCPU
RESET input low
width
tRSL
Input
22
tCPU
NOTES:
1.
The unit tCPU means one CPU clock period.
2.
The oscillator frequency is the same as CPU clock frequency.
tINTL
tINTH
0.8
VDD
0.2
VDD
Figure 16–1. Input Timing for External Interrupts (Ports 3 and 4)
tRSL
0.2 V DD
RESET
Figure 16–2. Input Timing for
RESET
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