PIC12F1840 MICROCHIP [Microchip Technology], PIC12F1840 Datasheet - Page 12

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

PIC12F/LF1840
TABLE 1-2:
DS41441A-page 12
RA4/AN3/CPS3/OSC2/
CLKOUT/T1OSO/C1IN1-/CLKR/
SDO
T1G
RA5/CLKIN/OSC1/T1OSI/
T1CKI/SRNQ/P1A
DT
V
V
Legend: AN = Analog input or output CMOS = CMOS compatible input or output
Note 1:
DD
SS
(1)
(1)
(1)
/RX
/MDCIN2
/CK
(1)
TTL = TTL compatible input
HV = High Voltage
(1)
Pin functions can be assigned to one of two pin locations via software. See APFCON register
/TX
Name
(1)
(1)
/P1B
PIC12F/LF1840 PINOUT DESCRIPTION (CONTINUED)
/CCP1
(1)
/
(1)
/
Function
CLKOUT
MDCIN2
T1OSO
C1IN1-
CLKIN
T1OSI
T1CKI
SRNQ
CPS3
OSC2
CLKR
OSC1
CCP1
SDO
RA4
AN3
P1B
T1G
RA5
P1A
V
V
CK
TX
DT
RX
DD
SS
ST
XTAL = Crystal
CMOS
Power
Power
Input
XTAL
XTAL
XTAL
Type
= Schmitt Trigger input with CMOS levels I
TTL
TTL
AN
AN
AN
ST
ST
ST
ST
ST
ST
ST
—
—
—
—
—
—
—
—
Preliminary
Output
CMOS General purpose I/O.
CMOS F
CMOS Clock Reference output.
CMOS SPI data output.
CMOS USART synchronous clock.
CMOS USART asynchronous transmit.
CMOS PWM output.
CMOS General purpose I/O.
CMOS SR Latch inverting output.
CMOS PWM output.
CMOS Capture/Compare/PWM 1.
CMOS USART synchronous data.
XTAL
XTAL
XTAL
Type
—
—
—
—
—
—
—
—
—
—
—
A/D Channel 3 input.
Capacitive sensing input 3.
Crystal/Resonator (LP, XT, HS modes).
Timer1 oscillator connection.
Comparator C1 negative input.
Timer1 Gate input.
Modulator Carrier Input 2.
External clock input (EC mode).
Crystal/Resonator (LP, XT, HS modes).
Timer1 oscillator connection.
Timer1 clock input.
USART asynchronous input.
Positive supply.
Ground reference.
OSC
/4 output.
Description
OD
2
C™ = Schmitt Trigger input with I
 2011 Microchip Technology Inc.
= Open Drain
levels
(Register
12-1).
2
C