參數(shù)資料
型號： PIC16C622T-20I/SO
元件分類： 微控制器/微處理器
英文描述： 8-BIT, OTPROM, 20 MHz, RISC MICROCONTROLLER, PDSO18
封裝： 0.300 INCH, PLASTIC, MS-013, SO-18
文件頁數(shù)： 76/128頁
文件大?。?/td> 3677K
代理商： PIC16C622T-20I/SO
2003 Microchip Technology Inc.
DS30235J-page 49
PIC16C62X
9.3
RESET
The PIC16C62X differentiates between various kinds
of RESET:
a)
Power-on Reset (POR)
b)
MCLR Reset during normal operation
c)
MCLR Reset during SLEEP
d)
WDT Reset (normal operation)
e)
WDT wake-up (SLEEP)
f)
Brown-out Reset (BOR)
Some registers are not affected in any RESET
condition Their status is unknown on POR and
unchanged in any other RESET. Most other registers
are reset to a “RESET state” on Power-on Reset,
MCLR Reset, WDT Reset and MCLR Reset during
SLEEP. They are not affected by a WDT wake-up,
since this is viewed as the resumption of normal
operation. TO and PD bits are set or cleared differently
in different RESET situations as indicated in Table 9-2.
These bits are used in software to determine the nature
of the RESET. See Table 9-5 for a full description of
RESET states of all registers.
A simplified block diagram of the on-chip RESET circuit
is shown in Figure 9-6.
The MCLR Reset path has a noise filter to detect and
ignore small pulses. See Table 12-5 for pulse width
specification.
FIGURE 9-6:
SIMPLIFIED BLOCK DIAGRAM OF ON-CHIP RESET CIRCUIT
S
R
Q
External
RESET
MCLR/
V
DD
OSC1/
WDT
Module
V
DD rise
detect
OST/PWRT
On-chip(1)
RC OSC
WDT
Time-out
Power-on Reset
OST
PWRT
Chip_Reset
10-bit Ripple-counter
Reset
Enable OST
Enable PWRT
SLEEP
See Table 9-1 for time-out situations.
Note 1: This is a separate oscillator from the RC oscillator of the CLKIN pin.
Brown-out
Reset
BODEN
CLKIN
Pin
V
PP Pin
10-bit Ripple-counter
Q
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PIC16C62A/JW 功能描述:8位微控制器 -MCU 3.5KB 128 RAM 22 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) 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(fēng)格:SMD/SMT
PIC16C62A-04/SO 功能描述:8位微控制器 -MCU 3.5KB 128 RAM 22 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) 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(fēng)格:SMD/SMT
PIC16C62A-04/SP 功能描述:8位微控制器 -MCU 3.5KB 128 RAM 22 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) 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(fēng)格:SMD/SMT
PIC16C62A-04/SS 功能描述:8位微控制器 -MCU 3.5KB 128 RAM 22 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) 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(fēng)格:SMD/SMT
PIC16C62A-04E/SO 功能描述:8位微控制器 -MCU 3.5KB 128 RAM 22 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) 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(fēng)格:SMD/SMT
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