參數(shù)資料
型號: PIC16LF721-I/P
廠商: Microchip Technology
文件頁數(shù): 123/135頁
文件大?。?/td> 0K
描述: MCU PIC 4K FLASH 20-DIP
產(chǎn)品培訓(xùn)模塊: 8-bit PIC® Microcontroller Portfolio
標準包裝: 22
系列: PIC® XLP™ 16F
核心處理器: PIC
芯體尺寸: 8-位
速度: 16MHz
連通性: I²C,SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 17
程序存儲器容量: 7KB(4K x 14)
程序存儲器類型: 閃存
RAM 容量: 256 x 8
電壓 - 電源 (Vcc/Vdd): 1.8 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 12x8b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 20-DIP(0.300",7.62mm)
包裝: 管件
PIC16(L)F720/721
DS41430C-page 88
Preliminary
2010-2011 Microchip Technology Inc.
REGISTER 10-1:
FVRCON: FIXED VOLTAGE REFERENCE REGISTER
R-q
R/W-0
U-0
R/W-0
FVRRDY
FVREN
TSEN
TSRNG
ADFVR1
ADFVR0
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
q = Value depends on condition
bit 7
FVRRDY(1): Fixed Voltage Reference Ready Flag bit
0 = Fixed Voltage Reference output is not active or stable
1 = Fixed Voltage Reference output is ready for use
bit 6
FVREN: Fixed Voltage Reference Enable bit
0 = Fixed Voltage Reference is disabled
1 = Fixed Voltage Reference is enabled
bit 5
TSEN: Temperature Indicator Enable bit(3)
0 = Temperature indicator is disabled
1 = Temperature indicator is enabled
bit 4
TSRNG: Temperature Indicator Range Selection bit(3)
1 =VOUT = VDD - 4VT (High Range)
0 =VOUT = VDD - 2VT (Low Range)
bit 3-2
Unimplemented: Read as ‘0’
bit 1-0
ADFVR<1:0>: A/D Converter Fixed Voltage Reference Selection bits
00 = A/D Converter Fixed Voltage Reference Peripheral output is off
01 = A/D Converter Fixed Voltage Reference Peripheral output is 1x (1.024V)
10 = A/D Converter Fixed Voltage Reference Peripheral output is 2x (2.048V)(2)
11 = A/D Converter Fixed Voltage Reference Peripheral output is 4x (4.096V)(2)
Note 1:
FVRRDY is always ‘1’ for the PIC16F720/721 devices.
2:
Fixed Voltage Reference output cannot exceed VDD.
3:
TABLE 10-2:
SUMMARY OF ASSOCIATED FIXED VOLTAGE REFERENCE REGISTERS
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Register
on Page
FVRCON
FVRRDY
FVREN
TSEN
TSRNG
ADFVR1
ADFVR0
Legend: x = unknown, u = unchanged, — = unimplemented read as ‘0’, q = value depends on condition. Shaded
cells are not used for ADC module.
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