參數(shù)資料
型號： PIC16LF870-I/SS
廠商： Microchip Technology
文件頁數(shù)： 130/143頁
文件大?。?/td> 0K
描述： IC MCU FLASH 2KX14 EE A/D 28SSOP
產(chǎn)品培訓模塊： Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio
標準包裝： 47
系列： PIC® 16F
核心處理器： PIC
芯體尺寸： 8-位
速度： 20MHz
連通性： UART/USART
外圍設備： 欠壓檢測/復位，POR，PWM，WDT
輸入/輸出數(shù)： 22
程序存儲器容量： 3.5KB（2K x 14）
程序存儲器類型： 閃存
EEPROM 大?。?/td> 64 x 8
RAM 容量： 128 x 8
電壓 - 電源 (Vcc/Vdd)： 2 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 5x10b
振蕩器型： 外部
工作溫度： -40°C ~ 85°C
封裝/外殼： 28-SSOP（0.209"，5.30mm 寬）
包裝： 管件
產(chǎn)品目錄頁面： 639 (CN2011-ZH PDF)
2003 Microchip Technology Inc.
DS30569B-page 85
PIC16F870/871
10.5
A/D Operation During SLEEP
The A/D module can operate during SLEEP mode. This
requires that the A/D clock source be set to RC
(ADCS1:ADCS0 = 11). When the RC clock source is
selected, the A/D module waits one instruction cycle
before starting the conversion. This allows the SLEEP
instruction to be executed, which eliminates all digital
switching noise from the conversion. When the conver-
sion is completed, the GO/DONE bit will be cleared and
the result loaded into the ADRES register. If the A/D
interrupt is enabled, the device will wake-up from
SLEEP. If the A/D interrupt is not enabled, the A/D mod-
ule will then be turned off, although the ADON bit will
remain set.
When the A/D clock source is another clock option (not
RC), a SLEEP instruction will cause the present conver-
sion to be aborted and the A/D module to be turned off,
though the ADON bit will remain set.
Turning off the A/D places the A/D module in its lowest
current consumption state.
10.6
Effects of a RESET
A device RESET forces all registers to their RESET
state. This forces the A/D module to be turned off, and
any conversion is aborted. All A/D input pins are
configured as analog inputs.
The value that is in the ADRESH:ADRESL registers is
not
modified
for
a
Power-on
Reset.
The
ADRESH:ADRESL registers will contain unknown data
after a Power-on Reset.
TABLE 10-2:
REGISTERS/BITS ASSOCIATED WITH A/D
Note:
For the A/D module to operate in SLEEP,
the A/D clock source must be set to RC
(ADCS1:ADCS0 = 11). To allow the con-
version to occur during SLEEP, ensure the
SLEEP
instruction immediately follows the
instruction that sets the GO/DONE bit.
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on
POR, BOR
Value on
MCLR,
WDT
0Bh,8Bh,
10Bh,18Bh
INTCON
GIE
PEIE
T0IE
INTE
RBIE
T0IF
INTF
RBIF
0000 000x
0000 000u
0Ch
PIR1
PSPIF(1)
ADIF
RCIF
TXIF
—
CCP1IF
TMR2IF
TMR1IF
0000 -000
8Ch
PIE1
PSPIE(1)
ADIE
RCIE
TXIE
—
CCP1IE
TMR2IE TMR1IE 0000 -000 0000 -000
1Eh
ADRESH
A/D Result Register High Byte
xxxx xxxx
uuuu uuuu
9Eh
ADRESL
A/D Result Register Low Byte
xxxx xxxx
uuuu uuuu
1Fh
ADCON0
ADCS1
ADCS0
CHS2
CHS1
CHS0
GO/DONE
—ADON
0000 00-0
9Fh
ADCON1
ADFM
—
—PCFG3
PCFG2
PCFG1
PCFG0
--0- 0000
85h
TRISA
—
PORTA Data Direction Register
--11 1111
05h
PORTA
—
PORTA Data Latch when written: PORTA pins when read
--0x 0000
--0u 0000
89h(1)
TRISE
IBF
OBF
IBOV
PSPMODE
—
PORTE Data Direction bits
0000 -111
09h(1)
PORTE
—
RE2
RE1
RE0
---- -xxx
---- -uuu
Legend:
x
= unknown, u = unchanged, - = unimplemented, read as '0'. Shaded cells are not used for A/D conversion.
Note
1:
These registers/bits are not available on the 28-pin devices.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PIC16LF870T-I/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 安裝風格:SMD/SMT
PIC16LF870T-I/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 安裝風格:SMD/SMT
PIC16LF871-I/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 安裝風格:SMD/SMT
PIC16LF871-I/L 制造商:Microchip Technology Inc 功能描述:IC 8BIT FLASH MCU 16LF871 PLCC44
PIC16LF871-I/P 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 安裝風格:SMD/SMT
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