BOD Keeps the Device in Reset at L" />
參數(shù)資料
型號(hào): PIC16C64A-20I/L
廠商: Microchip Technology
文件頁數(shù): 23/126頁
文件大?。?/td> 0K
描述: IC MCU OTP 2KX14 PWM 44PLCC
產(chǎn)品培訓(xùn)模塊: Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio
標(biāo)準(zhǔn)包裝: 27
系列: PIC® 16C
核心處理器: PIC
芯體尺寸: 8-位
速度: 20MHz
連通性: I²C,SPI
外圍設(shè)備: 欠壓檢測(cè)/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 33
程序存儲(chǔ)器容量: 3.5KB(2K x 14)
程序存儲(chǔ)器類型: OTP
RAM 容量: 128 x 8
電壓 - 電源 (Vcc/Vdd): 4 V ~ 6 V
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 44-LCC(J 形引線)
包裝: 管件
配用: AC164309-ND - MODULE SKT FOR PM3 44PLCC
444-1001-ND - DEMO BOARD FOR PICMICRO MCU
309-1040-ND - ADAPTER 44-PLCC ZIF TO 40-DIP
309-1039-ND - ADAPTER 44-PLCC TO 40-DIP
其它名稱: PIC16C64A-20I/LR
PIC16C64A-20I/LR-ND
119
AT90S/LS4433
1042H–AVR–04/03
Errata for
AT90S/LS4433 Rev.
Rev. C/D/E/F
BOD Keeps the Device in Reset at Low Temperature
Fuses and Programming Mode
Incorrect Channel Change in Free Running Mode
Bandgap Reference Stabilizing Time
Brown-out Detection Level
Serial Programming at Voltages below 2.9V
UART Loses Synchronization if RXD Line is Low when UART Receive is Disabled
7.
BOD Keeps the Device in Reset at Low Temperature
When the device operates at low temperature (below 0
°C) and the BOD is enabled,
tha part may fail to start up. AT low temperature the BOD may never release the
reset, and the part will not start the application. The problem will only occur during
start-up and an already running application wil not go into reset even if the
temperature goes below 0
°C.
Note that this also affects the described workaround for Errata no. 4.
Problem Fix/Workaround
If the device operates at low temperature and a BOD is required, an external BOD
circuit must be used. Alternatively, ATme ga8 can be used inst ead of
AT90S/LS4433.
6.
Fuses and Programming Mode
After programming the Fuses in Serial Programming mode, it is not possible to pro-
gram the Flash or EEPROM. If leaving Programming mode, it is not possible to re-
enter Programming mode.
Problem Fix/Workaround
Power the part down and backup again after programming the Fuses or leaving Pro-
gramming mode.
5.
Incorrect Channel Change in Free Running Mode
If the ADC operates in Free Running mode and channels are changed by writing to
ADMUX, shortly after the ADC Interrupt Flag (ADIF in ADCSR) is set, the new set-
ting in ADMUX may affect the ongoing conversion.
Problem Fix/Workaround
Use Single Conversion mode when scanning channels, or avoid changing ADMUX
util at least 0.5 ADC clock cycles after ADIF goes high.
4.
Bandgap Reference Stabilizing Time
The time for the internal voltage reference for the Analog Comparator to stabilize is
longer than specified. The stabilizing period starts after the bandgap reference has
been selected, and can go on for as much as 10 seconds.
Problem Fix/Workaround
The Bandgap reference will be stable immediately if the internal Brown-out Detector
is enabled.
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PIC16C64AT-04E/L 功能描述:8位微控制器 -MCU 3.5KB 128 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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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