參數(shù)資料
型號(hào): MTA85802S-04I/SS
元件分類(lèi): 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 4 MHz, RISC MICROCONTROLLER, PDSO20
封裝: 0.209 INCH, PLASTIC, SSOP-20
文件頁(yè)數(shù): 37/72頁(yè)
文件大小: 760K
代理商: MTA85802S-04I/SS
MTA85XXX
DS40115C-page 42
1995 Microchip Technology Inc.
FIGURE 15-6: RESET, WATCHDOG TIMER, AND DEVICE RESET TIMER TIMING
TABLE 15-9:
RESET, WATCHDOG TIMER, AND DEVICE RESET TIMER
Parameter
No.
Sym
Characteristic
Min
Typ
Max
Units
Conditions
30
TmcL
MCLR Pulse Width (low)
100
ns
VDD = 5V, -40°C to
+125°C
31
Twdt
Watchdog Timer Timeout Period
9*
18
30*
ms
VDD = 5V, -40°C to
+125°C
(No Prescaler)
32
TDRT
Device Reset Timer Period
9*
18*
30*
ms
VDD = 5V, -40°C to
+125°C
34
TioZ
I/O Hi-impedance from MCLR Low
or WDT timeout
100
ns
*
These parameters are characterized but not tested.
Data in "Typ" column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance
only and are not tested.
VDD
MCLR
Internal
POR
DRT
Timeout
Internal
RESET
Watchdog
Timer
RESET
32
31
34
I/O pin
32
34
(Note 1)
Note 1: I/O pins must be taken out of hi-impedance mode by enabling the output drivers in software.
30
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