參數(shù)資料
型號： PIC16C662T-04E/TQ
元件分類： 微控制器/微處理器
英文描述： 8-BIT, OTPROM, 4 MHz, RISC MICROCONTROLLER, PQFP44
封裝： 10 X 10 MM, 1 MM HEIGHT, PLASTIC, TQFP-44
文件頁數(shù)： 92/136頁
文件大小： 634K
代理商： PIC16C662T-04E/TQ
1996 Microchip Technology Inc.
Preliminary
DS30559A-page 59
PIC16C64X & PIC16C66X
9.3
Reset
The PIC16CXXX 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)
Brown-out Reset (BOR)
f)
Parity Error Reset (PER)
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,
WDT
reset,
Brown-out Reset, Parity Error Reset, and on MCLR
reset during SLEEP. They are not affected by a WDT
wake-up, since this is viewed as the resumption of nor-
mal operation. TO and PD bits are set or cleared differ-
ently in different reset situations as indicated in
Table 9-4. These bits are used in software to determine
the nature of the reset. See Table 9-6 for a full descrip-
tion of reset states of all registers.
A simplied block diagram of the on-chip reset circuit is
shown in Figure 9-7.
The MCLR reset path has a noise lter to detect and
ignore small pulses. See Table 12-6 for pulse width
specication.
FIGURE 9-7:
SIMPLIFIED BLOCK DIAGRAM OF ON-CHIP RESET CIRCUIT
S
R
Q
External
Reset
MCLR/
VDD
OSC1/
WDT
Module
VDD rise
detect
OST/PWRT
On-chip(1)
RC OSC
WDT Time-out
Power-on Reset
OST
PWRT
Chip_Reset
10-bit Ripple-counter
Enable OST
Enable PWRT
SLEEP
See Table 9-3 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
VPP Pin
10-bit Ripple-counter
Program
Memory
Parity
MPEEN
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PIC16C662T-04I/L 功能描述:8位微控制器 -MCU 7KB 176 RAM 33 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
PIC16C662T-04I/PQ 功能描述:8位微控制器 -MCU 7KB 176 RAM 33 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
PIC16C662T-04I/PT 功能描述:8位微控制器 -MCU 7KB 176 RAM 33 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
PIC16C662T-10/L 功能描述:8位微控制器 -MCU 7KB 176 RAM 33 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
PIC16C662T-10/PQ 功能描述:8位微控制器 -MCU 7KB 176 RAM 33 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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