參數(shù)資料
型號: PIC12LF1840-I/SN
廠商: Microchip Technology
文件頁數(shù): 19/122頁
文件大?。?/td> 0K
描述: MCU 7KB FLASH 256B RAM 8-SOIC
產(chǎn)品培訓(xùn)模塊: 8-bit PIC® Microcontroller Portfolio
標(biāo)準(zhǔn)包裝: 100
系列: PIC® XLP™ 12F
核心處理器: PIC
芯體尺寸: 8-位
速度: 32MHz
連通性: I²C,LIN,SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 5
程序存儲器容量: 7KB(4K x 14)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 256 x 8
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 4x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
包裝: 管件
2011 Microchip Technology Inc.
Preliminary
DS41441B-page 115
PIC12(L)F1840
REGISTER 12-2:
PORTA: PORTA REGISTER
U-0
R/W-x/x
R-x/x
R/W-x/x
RA5
RA4
RA3
RA2
RA1
RA0
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
u = Bit is unchanged
x = Bit is unknown
-n/n = Value at POR and BOR/Value at all other Resets
‘1’ = Bit is set
‘0’ = Bit is cleared
bit 7-6
Unimplemented:
Read as ‘0
bit 5-0
RA<5:0>
: PORTA I/O Value bits(1)
1
= Port pin is > VIH
0
= Port pin is < VIL
Note 1:
Writes to PORTA are actually written to corresponding LATA register. Reads from PORTA register is return
of actual I/O pin values.
REGISTER 12-3:
TRISA: PORTA TRI-STATE REGISTER
U-0
R/W-1/1
R-1/1
R/W-1/1
TRISA5
TRISA4
TRISA3
TRISA2
TRISA1
TRISA0
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
u = Bit is unchanged
x = Bit is unknown
-n/n = Value at POR and BOR/Value at all other Resets
‘1’ = Bit is set
‘0’ = Bit is cleared
bit 7-6
Unimplemented:
Read as ‘0
bit 5-4
TRISA<5:4>:
PORTA Tri-State Control bits
1
= PORTA pin configured as an input (tri-stated)
0
= PORTA pin configured as an output
bit 3
TRISA3:
RA3 Port Tri-State Control bit
This bit is always ‘1’ as RA3 is an input only
bit 2-0
TRISA<2:0>:
PORTA Tri-State Control bits
1
= PORTA pin configured as an input (tri-stated)
0
= PORTA pin configured as an output
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