INTERFACES AND TEST POINTS
PMCD030901C8
Section 7
Issue 1
Service Manual
– 39 –
Revision 0
7 INTERFACES AND TEST POINTS
7.1. Interfaces
7.1.1
External I/O
Figure 7.1: External I/O Connector
No.
Name
HH <==>EXT
Function
H/H Circuit
1
GND
-
Ground
2
SERIAL_UP
<==
Upward Serial Data
(up to 812 kps Data Cable)
3
SERIAL_DN
<==
Downward Serial Data
(up to 812 kps Data Cable)
4
PAON /
==>
PA control signal for test trigger
OR:
DTR
<==
RS232C: Data Terminal Ready /
Accessory Recognition
5
RTS
<==
RS232C: Request to Send
6
CTS
==>
RS232C: Clear to Send
7
nACC_SENSE
<==
Handsfree / Accessory Detection
8
ACC_PWR
==>
Peripheral power supply
(on: up to 100mA)
9
ACCY_ID
<==
Accessory identification
(to ADIN4)
10
USB_DM
<==>
USB IO data -ve
(not used)
11
USB_DP
<==>
USB IO data +ve
(not used)
12
USB_VBUS
<==
Power supply from USB device
(not used)
(L: off, H 2.8V: on)
13
EXT-PWR
<==
Power supply for Battery Charge
14
GND
-
Power supply and digital
signal ground
1
8
14
10701-1
10095-2
10k
330
10584-1
330
10703 1
2.8 V
10k
330
330
DTR
PAON
10k
330
10584-1
330
10k
330
10702-1
VBAT
4.7
10704-1
2.8 V
100k
330
10585-1
10095-2
Summary of Contents for EBX70 - CELL PHONE
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