PIC12F1840 MICROCHIP [Microchip Technology], PIC12F1840 Datasheet - Page 11

• Manufacturer Part Number: PIC12F1840
• Description: 8-Pin Flash Microcontrollers with nanoWatt XLP Technology
• Manufacturer: MICROCHIP [Microchip Technology]

TABLE 1-2:
 2011 Microchip Technology Inc.
RA0/AN0/CPS0/C1IN+/
DACOUT/TX
SS
ICDDAT
RA1/AN1/CPS1/V
SRI/RX
MDMIN/ICSPCLK/ICDCLK
RA2/AN2/CPS2/C1OUT/SRQ/
T0CKI/CCP1
SDA/SDI/INT/MDCIN1
RA3/SS
Legend: AN = Analog input or output CMOS = CMOS compatible input or output
Note 1:
(1)
/P1B
(1)
(1)
/DT
(1)
TTL = TTL compatible input
HV = High Voltage
/T1G
/MDOUT/ICSPDAT/
Pin functions can be assigned to one of two pin locations via software. See APFCON register
(1)
(1)
(1)
Name
/CK
/P1A
(1)
/SCL/SCK/
/V
REF
(1)
PIC12F/LF1840 PINOUT DESCRIPTION
PP
(1)
/SDO
/C1IN0-/
/MCLR
/FLT0/
(1)
/
Function
ICSPDAT
ICSPCLK
DACOUT
MDCIN1
MDOUT
MDMIN
C1OUT
C1IN0-
C1IN+
T0CKI
MCLR
CPS0
CPS1
CPS2
CCP1
SDO
V
SRQ
FLT0
SCK
SDA
RA0
AN0
P1B
RA1
AN1
SCL
RA2
AN2
P1A
RA3
T1G
SRI
SDI
V
INT
CK
RX
TX
SS
DT
SS
REF
PP
ST
XTAL = Crystal
CMOS
Input
I
I
Type
= Schmitt Trigger input with CMOS levels I
2
2
TTL
TTL
TTL
AN
AN
AN
AN
AN
AN
AN
AN
AN
HV
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
—
—
—
—
—
C™
—
—
—
C™
Output
Preliminary
CMOS General purpose I/O.
CMOS USART asynchronous transmit.
CMOS USART synchronous clock.
CMOS SPI data output.
CMOS PWM output.
CMOS Modulator output.
CMOS ICSP™ Data I/O.
CMOS General purpose I/O.
CMOS USART synchronous data.
CMOS SPI clock.
CMOS General purpose I/O.
CMOS Comparator C1 output.
CMOS SR Latch non-inverting output.
CMOS Capture/Compare/PWM 1.
CMOS PWM output.
Type
OD
OD
AN
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
A/D Channel 0 input.
Capacitive sensing input 0.
Comparator C1 positive input.
Digital-to-Analog Converter output.
Slave Select input.
A/D Channel 1 input.
Capacitive sensing input 1.
A/D and DAC Positive Voltage Reference input.
Comparator C1 negative input.
SR Latch input.
USART asynchronous input.
I
Modulator source input.
Serial Programming Clock.
A/D Channel 2 input.
Capacitive sensing input 2.
Timer0 clock input.
ECCP Auto-Shutdown Fault input.
I
SPI data input.
External interrupt.
Modulator Carrier Input 1.
General purpose input.
Slave Select input.
Timer1 Gate input.
Programming voltage.
Master Clear with internal pull-up.
2
2
C™ clock.
C™ data input/output.
PIC12F/LF1840
Description
OD
2
C™ = Schmitt Trigger input with I
= Open Drain
levels
(Register
DS41441A-page 11
12-1).
2
C