参数资料
型号: PIC12C508/JW
厂商: Microchip Technology
文件页数: 47/113页
文件大小: 0K
描述: IC MCU EPROM 512X12 8CDIP
标准包装: 56
系列: PIC® 12C
核心处理器: PIC
芯体尺寸: 8-位
速度: 4MHz
外围设备: POR,WDT
输入/输出数: 5
程序存储器容量: 768B(512 x 12)
程序存储器类型: EPROM,UV
RAM 容量: 25 x 8
电压 - 电源 (Vcc/Vdd): 2.5 V ~ 5.5 V
振荡器型: 内部
工作温度: 0°C ~ 70°C
封装/外壳: 8-CDIP(0.300",7.62mm)窗口
包装: 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 39
PIC12C5XX
TABLE 8-3:
RESET CONDITIONS FOR REGISTERS
TABLE 8-4:
RESET CONDITION FOR SPECIAL REGISTERS
Register
Address
Power-on Reset
MCLR Reset
WDT time-out
Wake-up on Pin Change
W (PIC12C508/509)
qqqq xxxx
(1)
qqqq uuuu
(1)
W (PIC12C508A/509A/
PIC12CE518/519/
PIC12CE509A)
qqqq qqxx
(1)
qqqq qquu
(1)
INDF
00h
xxxx xxxx
uuuu uuuu
TMR0
01h
xxxx xxxx
uuuu uuuu
PC
02h
1111 1111
STATUS
03h
0001 1xxx
q00q quuu
(2,3)
FSR (PIC12C508/
PIC12C508A/
PIC12CE518)
04h
111x xxxx
111u uuuu
FSR (PIC12C509/
PIC12C509A/
PIC12CE519/
PIC12CR509A)
04h
110x xxxx
11uu uuuu
OSCCAL
(PIC12C508/509)
05h
0111 ----
uuuu ----
OSCCAL
(PIC12C508A/509A/
PIC12CE518/512/
PIC12CR509A)
05h
1000 00--
uuuu uu--
GPIO
(PIC12C508/PIC12C509/
PIC12C508A/
PIC12C509A/
PIC12CR509A)
06h
--xx xxxx
--uu uuuu
GPIO
(PIC12CE518/
PIC12CE519)
06h
11xx xxxx
11uu uuuu
OPTION
1111 1111
TRIS
--11 1111
Legend: u = unchanged, x = unknown, - = unimplemented bit, read as ‘0’, q = value depends on condition.
Note 1:
Bits <7:2> of W register contain oscillator calibration values due to MOVLW XX instruction at top of memory.
Note 2:
See Table 8-7 for reset value for specific conditions
Note 3:
If reset was due to wake-up on pin change, then bit 7 = 1. All other resets will cause bit 7 = 0.
STATUS Addr: 03h
PCL Addr: 02h
Power on reset
0001 1xxx
1111 1111
MCLR reset during normal operation
000u uuuu
1111 1111
MCLR reset during SLEEP
0001 0uuu
1111 1111
WDT reset during SLEEP
0000 0uuu
1111 1111
WDT reset normal operation
0000 uuuu
1111 1111
Wake-up from SLEEP on pin change
1001 0uuu
1111 1111
Legend: u = unchanged, x = unknown, - = unimplemented bit, read as ‘0’.
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