Panasonic EB-GD30, Technical Manual

Page: 45 / 45

POWER SUPPLIES
MCUK991001G8 Section 9 Issue 1
Technical Guide – 41 – Revision 0
9.5.7 Accessory Control
GD30/GD50 can detect accessories connected to its I/O connector and control the power supply to them. These are controlled
by the signals detailed in the following table.
When HF_ON is active, audio is directed to the handsfree connector and the HF audio circuit is ON.
1. Audio is directed to the bottom connector.
2. Initially, HF_ON is not active. It is able to control by Test Command.
3. This is dependent on battery connection.
Inputs Outputs Peripherals
Ext_Pwr Ignition nHFsense adp_sense nON_HOOK
nLogic_
Power HF_ON
(in call) Charger
On
Peripherals
Low Low Low High X no no no H/F
High X Low High High yes no yes H/F
High X Low High Low yes yes yes H/F
Low Low Low Mid X no no no H/F, SMS
High X Low Mid High yes no yes H/F, SMS
High X Low Mid Low yes yes yes H/F, SMS
Low Low Low Mid-l X no no no H/F, PC
High X Low Mid-l High yes no yes H/F, PC
High X Low Mid-l Low yes yes yes H/F, PC
Low Low Low Mid-l X no no no H/F, DA
High X Low Low High yes no yes H/F, DA
High X Low Low Low yes yes yes H/F, DA
Low Low High High X yes no no none
High X High High X yes no yes Charger
Low Low High Mid-h X yes no(*1) no H/S
High X High Mid-h X yes no(*1) yes H/S, Charger
Low Low High Mid X yes no no SMS
Low Low High Mid-l X yes no no PC
Low Low High Low X yes no no DA
Low High X High X yes no(*2) no(*3) JIG
Low High X Mid-h X yes no(*2) no(*3) JIG
Key
H/F Car kit with handsfree operation (full or basic operation).
charger AC Adaptor, DC Adaptor, or H/F Charger.
DA PCMCIA Card data adaptor.
SMS SMS cable.
PC RS232C serial cable.
H/S Headset Adaptor.
JIG For test purposes.