參數(shù)資料
型號(hào): PIC16F721-I/SS
廠商: Microchip Technology
文件頁(yè)數(shù): 25/27頁(yè)
文件大?。?/td> 0K
描述: MCU PIC 4K FLASH 20-SSOP
產(chǎn)品培訓(xùn)模塊: 8-bit PIC® Microcontroller Portfolio
標(biāo)準(zhǔn)包裝: 67
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(cè)/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 17
程序存儲(chǔ)器容量: 7KB(4K x 14)
程序存儲(chǔ)器類型: 閃存
RAM 容量: 256 x 8
電壓 - 電源 (Vcc/Vdd): 1.8 V ~ 5.5 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-SSOP(0.209",5.30mm 寬)
包裝: 管件
2011 Microchip Technology Inc.
Advance Information
DS41409B-page 7
PIC16(L)F720/721
REGISTER 3-2:
CONFIGURATION WORD 1
R/P-1
U-1
R/P-0
U-1
DEBUG(1)
PLLEN
BOREN1
BOREN0
bit 13
bit 7
R/P-1
U-1
R/P-1
CP
MCLRE
PWRTE
WDTEN
—FOSC1
FOSC0
bit 6
bit 0
Legend:
W = Writable bit
0 = Bit is cleared
R = Readable bit
1 = Bit is set
x = Bit is unknown
-n = Value for blank device
U = Unimplemented bit, read as ‘1’
bit 13
DEBUG(1): Debugger Mode bit
0
=
Background debugger is enabled
1
=
Background debugger is disabled
bit 12
PLLEN: INTOSC PLL Enable bit
0
=
INTOSC Frequency is 500 kHz
1
=
INTOSC Frequency is 16 MHz (32x)
bit 11-10 Unimplemented: Read as ‘1’
bit 9-8
BOREN<1:0>: Brown-out Reset Enable bits (2)
0x
= Brown-out Reset disabled (Preconditioned State)
10
= Brown-out Reset enabled during operation and disabled in Sleep
11
= Brown-out Reset enabled
bit 7
Unimplemented: Read as ‘1’
bit 6
CP: Flash Program Memory Code Protection bit
PIC16F720/721
0
=
0000h to 07FFh/0FFFh code protection on
1
=
Code protection off
bit 5
MCLRE: RA3/MCLR/VPP Pin Function Select bit
1
=RA3/MCLR/VPP pin function is MCLR; Weak pull-up enabled.
0
=RA3/MCLR/VPP pin function is digital input; MCLR internally disabled; Weak pull-up disabled
bit 4
PWRTE: Power-up Timer Enable bit
0
=
PWRT enabled
1
=
PWRT disabled
bit 3
WDTEN: Watchdog Timer Enable bit
0
=
WDT disabled
1
=
WDT enabled
bit 2
Unimplemented: Read as ‘1’
bit 1-0
FOSC<1:0>: Oscillator Selection bits
11
= EC oscillator: CLKO function on RA4/CLKO pin, CLKI on RA5/CLKI
10
= EC oscillator: I/O function on RA4/CLKO pin, CLKI on RA5/CLKI
01
= INTOSC oscillator: CLKO function on RA4/CLKO pin, I/O function on RA5/CLKI
00
= INTOSCIO oscillator: I/O function on RA4/CLKO pin, I/O function on RA5/CLKI
Note 1: Debug bit is ignored when code-protect is enabled (CP= 0).
2: Fixed Voltage Reference is automatically enabled whenever the BOR is enabled.
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