參數資料
型號: PIC12C508/JW
廠商: Microchip Technology
文件頁數: 102/113頁
文件大?。?/td> 0K
描述: IC MCU EPROM 512X12 8CDIP
標準包裝: 56
系列: PIC® 12C
核心處理器: PIC
芯體尺寸: 8-位
速度: 4MHz
外圍設備: POR,WDT
輸入/輸出數: 5
程序存儲器容量: 768B(512 x 12)
程序存儲器類型: EPROM,UV
RAM 容量: 25 x 8
電壓 - 電源 (Vcc/Vdd): 2.5 V ~ 5.5 V
振蕩器型: 內部
工作溫度: 0°C ~ 70°C
封裝/外殼: 8-CDIP(0.300",7.62mm)窗口
包裝: 管件
配用: DVMCPA-ND - KIT DVR BOARD EVAL SYSTEM MXDEV1
DVA12XP080-ND - ADAPTER DEVICE FOR MPLAB-ICE
AC124001-ND - MODULE SKT PROMATEII 8DIP/SOIC
1999 Microchip Technology Inc.
DS40139E-page 89
PIC12C5XX
FIGURE 13-4: RESET, WATCHDOG TIMER, AND DEVICE RESET TIMER TIMING -
PIC12C508A, PIC12C509A, PIC12CE518, PIC12CE519, PIC12LC508A,
PIC12LC509A, PIC12LCR509A, PIC12LCE518 and PIC12LCE519
TABLE 13-5:
RESET, WATCHDOG TIMER, AND DEVICE RESET TIMER - PIC12C508A,
PIC12C509A, PIC12CE518, PIC12CE519, PIC12LC508A, PIC12LC509A,
PIC12LCR509A, PIC12LCE518 and PIC12LCE519
AC Characteristics Standard Operating Conditions (unless otherwise specified)
Operating Temperature
0
°C ≤ TA ≤ +70°C (commercial)
–40
°C ≤ TA ≤ +85°C (industrial)
–40
°C ≤ TA ≤ +125°C (extended)
Operating Voltage VDD range is described in Section 13.1
Parameter
No.
Sym
Characteristic
Min
Typ(1)
Max
Units
Conditions
30
TmcL
MCLR Pulse Width (low)
2000*
ns
VDD = 5 V
31
Twdt
Watchdog Timer Time-out Period
(No Prescaler)
9*
18*
30*
ms
VDD = 5 V (Commercial)
32
TDRT
Device Reset Timer Period(2)
9*
18*
30*
ms
VDD = 5 V (Commercial)
34
TioZ
I/O Hi-impedance from MCLR Low
2000*
ns
* These parameters are characterized but not tested.
Note 1: Data in the Typical (“Typ”) column is at 5V, 25
°C unless otherwise stated. These parameters are for design
guidance only and are not tested.
Note 2: See Table 13-6.
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
(Note 2)
2: Runs in MCLR or WDT reset only in XT and LP modes.
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