PIC24FJ64GA705 Datasheet, PDF (27/412 Pages) –

PIC24FJ256GA705 FAMILY
TABLE 1-3: PIC24FJ256GA705 FAMILY PINOUT DESCRIPTIONS (CONTINUED)
Pin
Function
Pin Number/Grid Locator
28-Pin SOIC, 28-Pin QFN,
SSOP, SPDIP UQFN
44-Pin
TQFP
48-Pin
I/O
QFN/TQFP
Input
Buffer
Description
SCL1
SCL2
SDA1
SDA2
17
14
44
48
I/O
I²C I2C1 Synchronous Serial Clock Input/Output
7
4
24
26
I/O
I²C I2C2 Synchronous Serial Clock Input/Output
18
15
1
1
I/O
I²C I2C1 Data Input/Output
6
3
23
25
I/O
I²C I2C2 Data Input/Output
SOSCI
11
8
33
36
I ANA/ST Secondary Oscillator/Timer1 Clock Input
SOSCO
12
9
34
37
O
ANA Secondary Oscillator/Timer1 Clock Output
T1CK
18
15
1
1
I
ST Timer1 Clock
TCK
17
14
13
14
I
ST JTAG Test Clock/Programming Clock Input
TDI
21
18
35
38
I
ST JTAG Test Data/Programming Data Input
TDO
18
15
32
35
O
DIG JTAG Test Data Output
TMPRN
18
15
1
1
I
ST Tamper Detect Input
TMS
22
19
12
13
I
ST JTAG Test Mode Select Input
VCAP
20
17
7
7
P
— External Filter Capacitor
Connection (regulator enabled)
VDD
13, 28
10, 25
28, 40
30, 43
P
— Positive Supply for Peripheral Digital Logic
and I/O Pins
VREF+
2
27
19
21
I
ANA Comparator and A/D Reference Voltage
(high) Input
VREF-
3
28
20
22
I
ANA Comparator and A/D Reference Voltage
(low) Input
VSS
8, 19, 27
5, 16, 24 6, 29, 39 6, 31, 42 P
— Ground Reference for
Peripheral Digital Logic and I/O Pins
Legend:
TTL = TTL input buffer
ANA = Analog level input/output
DIG = Digital input/output
ST = Schmitt Trigger input buffer
I²C = I²C/SMBus input buffer
XCVR = Dedicated Transceiver
 2016 Microchip Technology Inc.
DS30010118B-page 27