1 - VIN CHARGER INPUT VOLTAGE 8.4V 0.8A
2 - CHRG CTRL CHARGER CONTROL PWM 32Khz
3 - XMIC MIC INPUT 60mV - 1V
4 - SGND SIGNAL GROUND
5 - XEAR EAR OUTPUT 80mV - 1V
6 - MBUS 9600 B/S
7 - FBUS_RX 9.6 - 230.4 KB/S
8 - FBUS_TX 9.6 - 230.4 KB/S
9 - L_GND CHARGER / LOGIC GND

1 - BTEMP
2 - FBus - Tx
3 - GND
4 - MBus
5 - FBus - Rx
6 - VPP

1 - GND
2 - FBus - Tx
3 - MBus
4 - FBus - Rx

1 - MBus
2 - GND
3 - FBus - Rx
4 - FBus - Tx
5 - VPP

LABEL

DESCRIPTION

MBUS

Bidirectional serial bus

FBUS RX

Serial data in

FBUS TX

Serial data out

GND

Logic ground

BTEMP

Pulse to switch phone on/off

VPP

Instructs FLASH to use supply voltage as programming supply.

VIN

Charging voltage

CHCTL

Charger control

XMIC

Analogue audio input

SGND

Audio signal ground

XEAR

Analogue audio output

LGND

Logic and charging ground