Maxim Integrated MAX86140 - Page 26

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Evaluates: MAX86140 and MAX86141
MAX86140/MAX86141
Evaluation System
MAX86140/MAX86141 EV Kit Schematics (continued)
MAXSensorBLE
SPI MASTER TO NRF5
SPI MASTER TO SENSORS
P1_7 CAN OUTPUT FCLK
UART/HANDSHAKE TO NRF5
SPI MASTER TO FLASH
I2C MASTER
0
MAX32620IWG+
4.7K
0 0
1UF
0.1UF
1UF
1UF
1UF
12PF
1UF
4.7K
12PF
32.768KHZ
R24 R28 R27
U12
C37
R25
R26
C38
C39
C40
C41
C42
C46
C45
Y2
22 6 8 20 14 10
27 15 24 7 23 17 3 25 11 9 5 13 19
34 2 35 28 33 32 29 4 31 1 26
16 18 12
36 30
SPI2_SCK
A_SPI0_CSACC_N
SPI1_MOSI/IO0
PMIC_ALRT_N
SPI2_MOSI
SPI2_CSBLE_N
SPI2_MISO
NIM_P2.2 NRF5_P0_31
SPI1_MOSI/IO0 SPI1_SCK A_SPI0_CSOPT_N SPI0_MISO
1V8_S
SPI1_MISO/IO1 SPI1_CSF_N
PMIC_ALRT_N
DBG_LED0 DBG_LED1
SDA SCL
OPT_INT_N DBG_LED1 SPI0_CSOPT_N SDA ACC_INT_N SPI0_MOSI
5V0_B
J3.18 J3.17
SHDNL_N
SPI1_CSF_N SPI1_FRST/IO3
NRF5_P0_04
SPI2_MOSI SPI2_SCK
SPI0_SCK
1V8_B
1V2
SRST_N SPI1_FRST/IO3 SPI1_WP/IO2 J3.18 J3.17
PMIC_MON NIM_P2.0 NRF5_P0_03
3V3
1V8_B
A_SPI0_MOSI A_SP0_SCK
NIM_SWDCLK
PMIC_PFN2
PMIC_MPC
SHDNL_N
OPT_INT_N
NIM_UART_RX NIM_UART_TX
1V8_B
RST_N USB_DM NIM_SWDIO
NIM_P2.1
PMIC_INT_N PMIC_MON PMIC_PFN2 PMIC_MPC
SPI0_MISO
USB_DP
PMIC_INT_N
DBG_LED0
VLED
SCL
SPI2_MISO
SPI0_CSACC_N
SPI1_WP/IO2
1V8_B
SPI2_CSBLE_N
ACC_INT_N
SPI1_SCK SPI1_MISO/IO1
H7 H3 J3 G4 F6
E4
F2
B9
C9
A4 A5 A6 A7
F8
E8 A1 A9
J1 J9
C2 C1 D4 D3 D1 D2
E3 E2 E1
F3 F4
E5
G2 G3
J2 H2 H4 G5 H5 F5 E6 H6 J6 G6 J7 F7 J8 H9 H8 G7 G9 G8 F9 D7 E7 C7 D6 C6 C5 D5 C4 C3
B2 B1 B4 B7 B6 B5
F1 A8 E9 H1 J4 B3 D8
A3
C8
B8
D9
G1
J5
A2
1 2
VSS VSS VSS
VDD18 VDD18 VDD18 VDD18
NC_J9 NC_J1 NC_A9 NC_A1 DP DM VSS
P4_0 P4_2 P4_4 P4_6
VDDB
VRTC
32KOUT 32KIN
P4_1 P4_3 P4_5 P4_7 P5_0 P5_1 P5_2 P3_7
VDD12
P3_6 P5_3 P3_5 P5_4 P3_4 P3_3 P3_2
AIN3
P3_1
TDI
P3_0
AIN2
P2_7
TDO
P2_6
AIN1 TMS AIN0
P2_5VREF P2_4
VSSA
P2_3
TCK
P2_2 P5_5 P2_1
VDDA
P2_0 P5_6
P1_7 P1_6 P1_4 P1_2 P1_0 P0_6 P0_4 P0_2 P0_0 SRSTN
P5_7
P1_5 P1_3 P1_1 P0_7 P0_5 P0_3 P0_1 RSTN
P6_0