TC35

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Usage

See at-commands for how to make phone call and send message.

Schematic

Pin Definition

TC35 pin sequency.jpg
Group Pin Number Description Remark
P4 1 RXD_PC_TTL PC/MCU/TC35 TTL Connector
P4 2 TXD_PC_TTL
P4 3 RXD_MCU_TTL
P4 4 RXD_35_TTL
P4 5 TXD_35_TTL
P4 6 TXD_MCU_TTL
P4 7 RXD_PC_TTL
P4 8 TXD_PC_TTL
Group Pin Number Description Remark
P5 1 VCC12V External Battery
P5 2 GND GND
P5 3 VCC Module Power Supply
P5 4 GND GND
P5 5 RXD_PC_232 PC 232 Receive/Send Connector
P5 6 TXD_PC_232 PC 232 Receive/Send Connector
P5 7 RXD_35_TTL TC35 232 Receive/Send Connector
P5 8 TXD_35_TTL TC35 232 Receive/Send Connector
P5 9 TXD_MCU_TTL External MCU 232 Receive/Send Connector
P5 10 RXD_MCU_TTL External MCU 232 Receive/Send Connector
Group Pin Number Description Remark
P6 1 VCC Module Power Supply
P6 2 PD Close Module
P6 3 RING Incoming Call Indicator
P6 4 SYNC Signal Indicator
P6 5 LOW_BAT Back up battery
P6 6 VDD
P6 7 AKKU_TEMP Battery temperature check
P6 8 POWER
Group Pin Number Description Remark
P7 1 EPP1 Ear phone 1 Positive
P7 2 EPN1 Ear phone 1 Negative
P7 3 GND GND
P7 4 MICP1 Microphone 1 Positive
P7 5 MICN1 Microphone 1 Negative
P7 6 EPP2 Ear phone 2 Positive
P7 7 EPN2 Ear phone 2 Negative
P7 8 GND GND
P7 9 MICP2 Microphone 2 Positive
P7 10 MICN2 Microphone 2 Negative

Reference

External circuit Design