User's Manual

Preliminary Specification N umber : SP-ZV1CD-E
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< Specification may be changed by Murata without notice >
Murata Manufacturing Co., Ltd.
4.2. Terminal C o nfigurations
No. Terminal Name Type Description
1 GND - Ground
2 OPTO_Bias O Phototransistor bias voltage
3 OPTO_IN I Phototransistor input
4 PinW I/O I/O, please refer to Pin mux table
5 OSC32_IN I MCU s leep clock in put
6 OSC32_OUT O MCU s leep clock output
7 PinN I/O I/O, please refer to Pin mux table
8 PSU_EN O External power supply enable
9 WLAN_POWER_EN O External power gate enable
10 GND - Ground
11 GND - Ground
12 ANT - Antenna
13 GND - Ground
14 GND - Ground
15 VDD PI Power supply for MCU VDD and WLAN Digital IO
16 WLAN_ANT_CTL2 O
Antenna switch control. Default is low.
NC if not in use.
17 WLAN_ANT_CTL1 O
Antenna switch control. Default is high.
NC if not in use.
18 VDD_PA PI
Power supply for Internal Power Amplifier.
19 VDD_PA PI
20 VDD_WLAN PI
Power supply for WLAN IC
21 VDD_WLAN PI
22 VDD_DCDC_IN PI Voltage input for core LDO, low noise LDO1 and VCO/LDO
23 GND - Ground
24 VDD_DCDC_OUT PO Voltage output for core LDO.
25 SPIFLASH_NCS O SPI flash nCS
26 SPIFLASH_MISO I SPI flash MISO