Datasheet

PIC24F04KA201 FAMILY
DS39937B-page 12 Preliminary © 2009 Microchip Technology Inc.
HLVDIN 6 15 12 I ANA HLVD Voltage Input
MCLR
1 1 18 I ST Master Clear (device Reset) Input
OC1 10 14 11 O — Output Compare/PWM Outputs
OCFA 11 17 14 I — Output Compare Fault A
OSCI 4 7 4 I ANA Main Oscillator Input Connection
OSCO 5 8 5 O ANA Main Oscillator Output Connection
PGC2 2 2 19 I/O ST In-Circuit Debugger and ICSP Programming Clock
PGD2 3 3 20 I/O ST In-Circuit Debugger and ICSP Programming Data
PGC3 7 10 7 I/O ST In-Circuit Debugger and ICSP Programming Clock
PGD3 6 9 6 I/O ST In-Circuit Debugger and ICSP Programming Data
RA0 2 2 19 I/O ST
PORTA Digital I/O
RA1 3 3 20 I/O ST
RA2 4 7 4 I/O ST
RA3 5 8 5 I/O ST
RA4 7 10 7 I/O ST
RA5 1 1 18 I/O ST
RA6 10 14 11 I/O ST
RB0 — 4 1 I/O ST
PORTB Digital I/O
RB1 — 5 2 I/O ST
RB2 — 6 3 I/O ST
RB4 6 9 6 I/O ST
RB8 8 12 9 I/O ST
RB9 9 13 10 I/O ST
RB12 — 15 12 I/O ST
RB13 — 16 13 I/O ST
RB14 11 17 14 I/O ST
RB15 12 18 15 I/O ST
REFO 12 18 15 O — Reference Clock Output
SCK1 8 15 12 I/O ST SPI1 Serial Clock Input/Output
SCL1 8 12 9 I/O I
2
C I2C1 Synchronous Serial Clock Input/Output
SDA1 9 13 10 I/O I
2
C I2C1 Data Input/Output
SDI1 11 17 14 I ST SPI1 Serial Data Input
SDO1 9 16 13 O — SPI1 Serial Data Output
SOSCI 6 9 6 I ANA Secondary Oscillator Input
SOSCO 7 10 7 O ANA Secondary Oscillator Output
SS1
12 18 15 I/O ST Slave Select Input/Frame Select Output (SPI1)
T1CK 7 10 7 I ST Timer1 Clock
T2CK 12 18 15 I ST Timer2 Clock
T3CK 12 18 15 I ST Timer3 Clock
U1CTS
8 12 9 I ST UART1 Clear to Send Input
U1RTS
9 13 10 O — UART1 Request to Send Output
U1RX 12 6 3 I ST UART1 Receive
U1TX 11 11 8 O — UART1 Transmit Output
TABLE 1-2: PIC24F04KA201 FAMILY PINOUT DESCRIPTIONS (CONTINUED)
Function
Pin Number
I/O
Input
Buffer
Description
14-Pin
PDIP/TSSOP/
SOIC
20-Pin
PDIP/SSOP/
SOIC
20-Pin
QFN
Legend: ST = Schmitt Trigger input buffer, ANA = Analog level input/output, I
2
C™ = I
2
C/SMBus input buffer