Signal Configuration - Microchip Technology Digital Power Starter Kit User Manual

2.2

SIGNAL CONFIGURATION

TABLE 2-3:
Digital Power Starter Kit
Signal Label
ICSP_MCLR_VPP_Target
CS_BUCK
VFB_BUCK
CS_BOOST
VFB_BOOST
VIN_FB
EXT POT2
EXT POT1
Temp_Sensor
PGD2
PGC2
SW
LCD_Reset
LCD_RSelect
SCL/TX
SDA/RX
PWM4H
LCD_CSB
Load BUCK
Load BOOST
PWM1H
PWM1L
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Table 2-3 provides a full list of the dsPIC33FJ09GS302 DSC connections and a brief
functional description of the pins used in the Digital Power Starter Kit.
dsPIC33FJ09GS302 CONFIGURATION DETAILS
dsPIC33FJ09GS302
Pin
#
1 MCLR
2 AN0/CMP1A/RA0
3 AN1/CMP1B/RA1
4 AN2/CMP1C/CMP2A/RA2
5 AN3/CMP1D/CMP2B/RP0/CN0/RB0
6 AN4/ISRC4/CMP2C/RP9/CN9/RB9
7 AN5/ISRC3/CMP2D/RP10/CN10/RB10
— 8 V
SS
9 OSC1/CLKI/AN6/ISRC2/RP1/CN1/RB1
10 OSC2/CLKO/AN7/ISRC1//RP2/CN2/RB2 Analog – Temperature Sensor
11 PGED2/DACOUT/INT0/RP3/CN3/RB3
12 PGEC2/EXTREF/RP4/CN4/RB4
— 13 V
DD
14 PGED3/RP8/CN8/RB8
15 PGEC3/RP15/CN15/RB15
16 TDO/RP5/CN5/RB5
17 PGED1/TDI/SCL1/RP6/CN6/RB6
18 PGEC1/SDA1/RP7/CN7/RB7
— 19 V
SS
— 20 V
CAP
21 TMS/RP11/CN11/RB11
22 TCK/RP12/CN12/RB12
23 PWM2H/RP13/CN13/RB13
24 PWM2L/RP14/CN14/RB14
25 PWM1H/RA4
26 PWM1L/RA3
— 27 AV
SS
— 28 AV
DD
Device Pin Name
Hardware
Description/Function
Master Clear (Reset) Input
Analog – Buck Current Sense
Analog – Buck Voltage Feedback
Analog – Boost Current Sense
Analog – Boost Voltage Feedback
Analog – Input Voltage Feedback
Analog – 5k Potentiometer
Ground
Analog – 5k Potentiometer
Data I/O pin for programming/
debugging Communication Channel 2
Clock Input pin for programming/
debugging Communication Channel 2
Positive Supply for peripheral logic and
I/O pins
SW1 Push Button
LCD Active-Low Reset Signal
LCD Register Select Signal
LCD Serial Clock
LCD_Data
Ground
CPU Logic Filter Capacitor Connection
Boost MOSFET PWM Signal
LCD Active-Low Chip Select Signal
Buck-Resistive Load Driver PWM Signal
Boost-Resistive Load Driver PWM
Signal
Buck High Side MOSFET PWM Signal
Buck Low Side MOSFET PWM Signal
Ground Reference for analog modules
Positive Supply for analog modules; this
pin must be connected at all times
DS52078A-page 21