參數資料
型號： PIC16LCE625-04E/SS
廠商： Microchip Technology
文件頁數： 63/100頁
文件大?。?/td> 0K
描述： IC MCU CMOS 2K OTP W/EEPRM20SSOP
標準包裝： 67
系列： PIC® 16C
核心處理器： PIC
芯體尺寸： 8-位
速度： 4MHz
外圍設備： 欠壓檢測/復位，POR，WDT
輸入/輸出數： 13
程序存儲器容量： 3.5KB（2K x 14）
程序存儲器類型： OTP
EEPROM 大?。?/td> 128 x 8
RAM 容量： 128 x 8
電壓 - 電源 (Vcc/Vdd)： 2.5 V ~ 5.5 V
振蕩器型： 外部
工作溫度： -40°C ~ 125°C
封裝/外殼： 20-SSOP（0.209"，5.30mm 寬）
包裝： 管件
其它名稱： PIC16LCE62504E/SS
1999 Microchip Technology Inc.
DS40182C-page 55
PIC16CE62X
10.4.5
TIME-OUT SEQUENCE
On power-up, the time-out sequence is as follows: First
PWRT time-out is invoked after POR has expired, then
OST is activated. The total time-out will vary based on
oscillator configuration and PWRTE bit status. For
example, in RC mode with PWRTE bit erased (PWRT
disabled), there will be no time-out at all. Figure 10-8,
Figure 10-9
and
Figure 10-10
depict
time-out
sequences.
Since the time-outs occur from the POR pulse, if MCLR
is kept low long enough, the time-outs will expire. Then
bringing MCLR high will begin execution immediately
(see Figure 10-9). This is useful for testing purposes or
to synchronize more than one PICmicro device oper-
ating in parallel.
Table 10-5 shows the reset conditions for some special
registers, while Table 10-6 shows the reset conditions
for all the registers.
10.4.6
POWER CONTROL (PCON)/STATUS
REGISTER
The power control/status register, PCON (address
8Eh) has two bits.
Bit0 is BOR (Brown-out). BOR is unknown on
power-on-reset. It must then be set by the user and
checked on subsequent resets to see if BOR = 0
indicating that a brown-out has occurred. The BOR
status bit is a don’t care and is not necessarily
predictable if the brown-out circuit is disabled (by
setting BODEN bit = 0 in the Configuration word).
Bit1
is
POR
(Power-on-reset).
It
is
a
‘0’
on
power-on-reset and unaffected otherwise. The user
must write a ‘1’ to this bit following a power-on-reset.
On a subsequent reset, if POR is ‘0’, it will indicate that
a power-on-reset must have occurred (VDD may have
gone too low).
TABLE 10-3:
TIME-OUT IN VARIOUS SITUATIONS
TABLE 10-4:
STATUS/PCON BITS AND THEIR SIGNIFICANCE
Legend: x = unknown, u = unchanged
Oscillator Configuration
Power-up
Brown-out Reset
Wake-up
from SLEEP
PWRTE = 0
PWRTE = 1
XT, HS, LP
72 ms + 1024 TOSC
1024 TOSC
72 ms + 1024 TOSC
1024 TOSC
RC
72 ms
—
72 ms
—
POR
BOR
TO
PD
0X11
Power-on-reset
0X0X
Illegal, TO is set on POR
0XX0
Illegal, PD is set on POR
10XX
Brown-out Reset
110u
WDT Reset
1100
WDT Wake-up
11uu
MCLR reset during normal operation
1110
MCLR reset during SLEEP
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相關代理商/技術參數
參數描述
PIC16LCE625-04I/P 功能描述:8位微控制器 -MCU 3.5KB 128 RAM 13 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
PIC16LCE625-04I/SO 功能描述:8位微控制器 -MCU 3.5KB 128 RAM 13 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
PIC16LCE625-04I/SS 功能描述:8位微控制器 -MCU 3.5KB 128 RAM 13 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
PIC16LCE625T-04/SO 功能描述:8位微控制器 -MCU 3.5KB 128 RAM 13 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
PIC16LCE625T-04/SS 功能描述:8位微控制器 -MCU 3.5KB 128 RAM 13 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
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