參數(shù)資料
型號(hào): MT8952BP1
廠商: ZARLINK SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 1 CHANNEL(S), 2.5M bps, SERIAL COMM CONTROLLER, PQCC28
封裝: LEAD FREE, PLASTIC, MS-018AB, LCC-28
文件頁數(shù): 18/32頁
文件大?。?/td> 602K
代理商: MT8952BP1
MT8952B
Data Sheet
25
Zarlink Semiconductor Inc.
Figure 20 - Watchdog Timer Input and Output
Timing is over recommended temperature & power supply voltages (VDD=5V±5%, VSS=0V, TA=–40 to 85°C).
Typical figures are at 25
°C and are for design aid only: not guaranteed and not subject to production testing.
Figure 21 - RESET Timing
AC Electrical Characteristics - Serial Port, RESET, WD Timer and IRQ Release Time (Figures 19, 20, 21 and
22). Voltages are with respect to ground (VSS) unless otherwise stated.
Characteristics
Sym.
Min.
Typ.
Max.
Units
Test Conditions
1
Interrupt request release time
tIRQR
120
ns
Test load circuit 2 (Fig.26)
2WD output delay HIGH to LOW
tWDHL
135
ns
Test load circuit 1 (Fig.26)
3WD output delay LOW to HIGH
tWDLH
135
ns
Test load circuit 1 (Fig.26)
4
TEOP/REOP output delay
tEOPD
110
ns
Test load circuit 1 (Fig.26)
5
TEOP/REOP output hold time
tEOPH
110
ns
Test load circuit 1 (Fig.26)
6
CDSTo delay from CKi
tSTOD
125
ns
Test load circuit 1 (Fig.26)
7CDSTi setup time
tSTiS
20
ns
8
CDSTi hold time
tSTiH
65
ns
9
RESET pulse width
tRST
100
ns
F0i
WD
tWDHL
tWDLH
RST
tRST
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