EESchema Schematic File Version 4
LIBS:board-cache
EELAYER 29 0
EELAYER END
$Descr A0 46811 33110
encoding utf-8
Sheet 1 1
Title "Ti375 GNSS/IMU board - Configuration Expansion"
Date "2026-08-15"
Rev "A0"
Comp "Open hardware design for JLCPCB"
Comment1 "Generated from scripts/design_data.py; do not hand-edit"
Comment2 "No LEDs, no push buttons"
Comment3 "Ti375C529C3 / MAX2771 / SCH16T-K01-1"
Comment4 "JLC08161H-3313 eight-layer stack"
$EndDescr
$Comp
L BOARD_U26 U26
U 1 1 65050001
P 1800 1800
F 0 "U26" H 1800 1700 50  0000 C CNN
F 1 "512-Mbit QSPI flash" H 1800 1900 50  0000 C CNN
F 2 "Package_SON:WSON-8-1EP_6x5mm_P1.27mm_EP3.4x4.3mm" H 1800 1600 50  0001 C CNN
F 3 "" H 1800 1800 50  0001 C CNN
F 4 "IS25WP512M-JLLE" H 1800 1800 50  0001 C CNN "MPN"
F 5 "ISSI" H 1800 1800 50  0001 C CNN "Manufacturer"
	1    1800 1800
	1    0    0    -1
$EndComp
Wire Wire Line
	1100 2000 950 2000
Text GLabel 950 2000 2    30   BiDi ~ 0
QSPI_CS_N
Wire Wire Line
	2500 1950 2650 1950
Text GLabel 2650 1950 0    30   BiDi ~ 0
QSPI_IO1
Wire Wire Line
	1100 1900 950 1900
Text GLabel 950 1900 2    30   BiDi ~ 0
QSPI_IO2
Wire Wire Line
	2500 1850 2650 1850
Text GLabel 2650 1850 0    30   BiDi ~ 0
GND
Wire Wire Line
	1100 1800 950 1800
Text GLabel 950 1800 2    30   BiDi ~ 0
QSPI_IO0
Wire Wire Line
	2500 1750 2650 1750
Text GLabel 2650 1750 0    30   BiDi ~ 0
QSPI_SCLK
Wire Wire Line
	1100 1700 950 1700
Text GLabel 950 1700 2    30   BiDi ~ 0
QSPI_IO3
Wire Wire Line
	2500 1650 2650 1650
Text GLabel 2650 1650 0    30   BiDi ~ 0
VCC1V8
Wire Wire Line
	1100 1600 950 1600
Text GLabel 950 1600 2    30   BiDi ~ 0
GND
$Comp
L BOARD_R84 R84
U 1 1 65050002
P 1800 2900
F 0 "R84" H 1800 2800 50  0000 C CNN
F 1 "10K" H 1800 3000 50  0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 1800 2700 50  0001 C CNN
F 3 "" H 1800 2900 50  0001 C CNN
F 4 "RC0402FR-0710KL" H 1800 2900 50  0001 C CNN "MPN"
F 5 "Yageo" H 1800 2900 50  0001 C CNN "Manufacturer"
	1    1800 2900
	1    0    0    -1
$EndComp
Wire Wire Line
	1100 2900 950 2900
Text GLabel 950 2900 2    30   BiDi ~ 0
VCC1V8
Wire Wire Line
	2500 2900 2650 2900
Text GLabel 2650 2900 0    30   BiDi ~ 0
QSPI_CS_N
$Comp
L BOARD_R87 R87
U 1 1 65050003
P 1800 3700
F 0 "R87" H 1800 3600 50  0000 C CNN
F 1 "10K" H 1800 3800 50  0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 1800 3500 50  0001 C CNN
F 3 "" H 1800 3700 50  0001 C CNN
F 4 "RC0402FR-0710KL" H 1800 3700 50  0001 C CNN "MPN"
F 5 "Yageo" H 1800 3700 50  0001 C CNN "Manufacturer"
	1    1800 3700
	1    0    0    -1
$EndComp
Wire Wire Line
	1100 3700 950 3700
Text GLabel 950 3700 2    30   BiDi ~ 0
VCC1V8
Wire Wire Line
	2500 3700 2650 3700
Text GLabel 2650 3700 0    30   BiDi ~ 0
QSPI_IO2
$Comp
L BOARD_R88 R88
U 1 1 65050004
P 1800 4500
F 0 "R88" H 1800 4400 50  0000 C CNN
F 1 "10K" H 1800 4600 50  0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 1800 4300 50  0001 C CNN
F 3 "" H 1800 4500 50  0001 C CNN
F 4 "RC0402FR-0710KL" H 1800 4500 50  0001 C CNN "MPN"
F 5 "Yageo" H 1800 4500 50  0001 C CNN "Manufacturer"
	1    1800 4500
	1    0    0    -1
$EndComp
Wire Wire Line
	1100 4500 950 4500
Text GLabel 950 4500 2    30   BiDi ~ 0
VCC1V8
Wire Wire Line
	2500 4500 2650 4500
Text GLabel 2650 4500 0    30   BiDi ~ 0
QSPI_IO3
$Comp
L BOARD_JPMOD1 JPMOD1
U 1 1 65050005
P 1800 5300
F 0 "JPMOD1" H 1800 5200 50  0000 C CNN
F 1 "PMOD 3.3 V" H 1800 5400 50  0000 C CNN
F 2 "board:Digilent_PMOD_2x6_P2.54mm" H 1800 5100 50  0001 C CNN
F 3 "" H 1800 5300 50  0001 C CNN
F 4 "67997-412HLF" H 1800 5300 50  0001 C CNN "MPN"
F 5 "Amphenol ICC" H 1800 5300 50  0001 C CNN "Manufacturer"
	1    1800 5300
	1    0    0    -1
$EndComp
Wire Wire Line
	1100 5550 950 5550
Text GLabel 950 5550 2    30   BiDi ~ 0
PMOD1_1
Wire Wire Line
	2500 5550 2650 5550
Text GLabel 2650 5550 0    30   BiDi ~ 0
PMOD1_2
Wire Wire Line
	1100 5450 950 5450
Text GLabel 950 5450 2    30   BiDi ~ 0
PMOD1_3
Wire Wire Line
	2500 5450 2650 5450
Text GLabel 2650 5450 0    30   BiDi ~ 0
PMOD1_4
Wire Wire Line
	1100 5350 950 5350
Text GLabel 950 5350 2    30   BiDi ~ 0
GND
Wire Wire Line
	2500 5350 2650 5350
Text GLabel 2650 5350 0    30   BiDi ~ 0
VCC3V3
Wire Wire Line
	1100 5250 950 5250
Text GLabel 950 5250 2    30   BiDi ~ 0
PMOD1_7
Wire Wire Line
	2500 5250 2650 5250
Text GLabel 2650 5250 0    30   BiDi ~ 0
PMOD1_8
Wire Wire Line
	1100 5150 950 5150
Text GLabel 950 5150 2    30   BiDi ~ 0
PMOD1_9
Wire Wire Line
	2500 5150 2650 5150
Text GLabel 2650 5150 0    30   BiDi ~ 0
PMOD1_10
Wire Wire Line
	1100 5050 950 5050
Text GLabel 950 5050 2    30   BiDi ~ 0
GND
Wire Wire Line
	2500 5050 2650 5050
Text GLabel 2650 5050 0    30   BiDi ~ 0
VCC3V3
$Comp
L BOARD_JPMOD2 JPMOD2
U 1 1 65050006
P 1800 6500
F 0 "JPMOD2" H 1800 6400 50  0000 C CNN
F 1 "PMOD 3.3 V" H 1800 6600 50  0000 C CNN
F 2 "board:Digilent_PMOD_2x6_P2.54mm" H 1800 6300 50  0001 C CNN
F 3 "" H 1800 6500 50  0001 C CNN
F 4 "67997-412HLF" H 1800 6500 50  0001 C CNN "MPN"
F 5 "Amphenol ICC" H 1800 6500 50  0001 C CNN "Manufacturer"
	1    1800 6500
	1    0    0    -1
$EndComp
Wire Wire Line
	1100 6750 950 6750
Text GLabel 950 6750 2    30   BiDi ~ 0
PMOD2_1
Wire Wire Line
	2500 6750 2650 6750
Text GLabel 2650 6750 0    30   BiDi ~ 0
PMOD2_2
Wire Wire Line
	1100 6650 950 6650
Text GLabel 950 6650 2    30   BiDi ~ 0
PMOD2_3
Wire Wire Line
	2500 6650 2650 6650
Text GLabel 2650 6650 0    30   BiDi ~ 0
PMOD2_4
Wire Wire Line
	1100 6550 950 6550
Text GLabel 950 6550 2    30   BiDi ~ 0
GND
Wire Wire Line
	2500 6550 2650 6550
Text GLabel 2650 6550 0    30   BiDi ~ 0
VCC3V3
Wire Wire Line
	1100 6450 950 6450
Text GLabel 950 6450 2    30   BiDi ~ 0
PMOD2_7
Wire Wire Line
	2500 6450 2650 6450
Text GLabel 2650 6450 0    30   BiDi ~ 0
PMOD2_8
Wire Wire Line
	1100 6350 950 6350
Text GLabel 950 6350 2    30   BiDi ~ 0
PMOD2_9
Wire Wire Line
	2500 6350 2650 6350
Text GLabel 2650 6350 0    30   BiDi ~ 0
PMOD2_10
Wire Wire Line
	1100 6250 950 6250
Text GLabel 950 6250 2    30   BiDi ~ 0
GND
Wire Wire Line
	2500 6250 2650 6250
Text GLabel 2650 6250 0    30   BiDi ~ 0
VCC3V3
$Comp
L BOARD_JPMOD3 JPMOD3
U 1 1 65050007
P 1800 7700
F 0 "JPMOD3" H 1800 7600 50  0000 C CNN
F 1 "PMOD 1.8 V" H 1800 7800 50  0000 C CNN
F 2 "board:Digilent_PMOD_2x6_P2.54mm" H 1800 7500 50  0001 C CNN
F 3 "" H 1800 7700 50  0001 C CNN
F 4 "67997-412HLF" H 1800 7700 50  0001 C CNN "MPN"
F 5 "Amphenol ICC" H 1800 7700 50  0001 C CNN "Manufacturer"
	1    1800 7700
	1    0    0    -1
$EndComp
Wire Wire Line
	1100 7950 950 7950
Text GLabel 950 7950 2    30   BiDi ~ 0
PMOD3_1
Wire Wire Line
	2500 7950 2650 7950
Text GLabel 2650 7950 0    30   BiDi ~ 0
PMOD3_2
Wire Wire Line
	1100 7850 950 7850
Text GLabel 950 7850 2    30   BiDi ~ 0
PMOD3_3
Wire Wire Line
	2500 7850 2650 7850
Text GLabel 2650 7850 0    30   BiDi ~ 0
PMOD3_4
Wire Wire Line
	1100 7750 950 7750
Text GLabel 950 7750 2    30   BiDi ~ 0
GND
Wire Wire Line
	2500 7750 2650 7750
Text GLabel 2650 7750 0    30   BiDi ~ 0
VCC1V8
Wire Wire Line
	1100 7650 950 7650
Text GLabel 950 7650 2    30   BiDi ~ 0
PMOD3_7
Wire Wire Line
	2500 7650 2650 7650
Text GLabel 2650 7650 0    30   BiDi ~ 0
PMOD3_8
Wire Wire Line
	1100 7550 950 7550
Text GLabel 950 7550 2    30   BiDi ~ 0
PMOD3_9
Wire Wire Line
	2500 7550 2650 7550
Text GLabel 2650 7550 0    30   BiDi ~ 0
PMOD3_10
Wire Wire Line
	1100 7450 950 7450
Text GLabel 950 7450 2    30   BiDi ~ 0
GND
Wire Wire Line
	2500 7450 2650 7450
Text GLabel 2650 7450 0    30   BiDi ~ 0
VCC1V8
$Comp
L BOARD_JPMOD4 JPMOD4
U 1 1 65050008
P 1800 8900
F 0 "JPMOD4" H 1800 8800 50  0000 C CNN
F 1 "PMOD 1.8 V" H 1800 9000 50  0000 C CNN
F 2 "board:Digilent_PMOD_2x6_P2.54mm" H 1800 8700 50  0001 C CNN
F 3 "" H 1800 8900 50  0001 C CNN
F 4 "67997-412HLF" H 1800 8900 50  0001 C CNN "MPN"
F 5 "Amphenol ICC" H 1800 8900 50  0001 C CNN "Manufacturer"
	1    1800 8900
	1    0    0    -1
$EndComp
Wire Wire Line
	1100 9150 950 9150
Text GLabel 950 9150 2    30   BiDi ~ 0
PMOD4_1
Wire Wire Line
	2500 9150 2650 9150
Text GLabel 2650 9150 0    30   BiDi ~ 0
PMOD4_2
Wire Wire Line
	1100 9050 950 9050
Text GLabel 950 9050 2    30   BiDi ~ 0
PMOD4_3
Wire Wire Line
	2500 9050 2650 9050
Text GLabel 2650 9050 0    30   BiDi ~ 0
PMOD4_4
Wire Wire Line
	1100 8950 950 8950
Text GLabel 950 8950 2    30   BiDi ~ 0
GND
Wire Wire Line
	2500 8950 2650 8950
Text GLabel 2650 8950 0    30   BiDi ~ 0
VCC1V8
Wire Wire Line
	1100 8850 950 8850
Text GLabel 950 8850 2    30   BiDi ~ 0
PMOD4_7
Wire Wire Line
	2500 8850 2650 8850
Text GLabel 2650 8850 0    30   BiDi ~ 0
PMOD4_8
Wire Wire Line
	1100 8750 950 8750
Text GLabel 950 8750 2    30   BiDi ~ 0
PMOD4_9
Wire Wire Line
	2500 8750 2650 8750
Text GLabel 2650 8750 0    30   BiDi ~ 0
PMOD4_10
Wire Wire Line
	1100 8650 950 8650
Text GLabel 950 8650 2    30   BiDi ~ 0
GND
Wire Wire Line
	2500 8650 2650 8650
Text GLabel 2650 8650 0    30   BiDi ~ 0
VCC1V8
$EndSCHEMATC