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TC35i: Migration from TC35 to TC35i
P R E L I M I N A R Y
4.3
Interface/connectors comparison TC35i/TC35
TC35 and TC35i are equipped with a 40-pin 0.5mm pitch ZIF connector that connects to the
cellular application platform. The mentioned ZIF connector is completely the same for both
devices. The host interface incorporates several sub-interfaces described in the following
chapters
TC35 and TC35i are totally PIN compatible. Some off the TC35 signal names were
changed with TC35i but the functionality is completely identical.
Table 4-2: Host interface PIN assignment - ZIF connector
Pin No.
Function
1-5
Power supply
6-10
Ground
11-12
Charger
13
External supply voltage
14
Battery Temperature
15
Ignition
16
RS232
17
RS232
18
RS232
19
RS232
20
RS232
21
RS232
22
RS232
23
RS232
24
SIM
25
SIM
26
SIM
27
SIM
28
SIM
29
SIM
30
RTC Backup
31
Power Down
32
Synchronization
33
Audio
34
Audio
35
Audio
36
Audio
37
Audio
38
Audio
39
Audio
40
Audio
TC35_TC35i_MIG_01_V01.01
IO
TC35
I
VBATT+
Ground
GND
I
POWER
O
VDD
I
AKKU_TEMP
I
/IGT
O
DSR0
O
/RING
O
RxD0
I
TxD0
O
CTS0
I
RTS0
I
DTR0
0
DCD0
I
CCIN
O
CCRST
IO
CCIO
O
CCCLK
O
CCVCC
Ground
CCGND
O
VDDLP
I
/PD
O
SYNC
O
EPP2
O
EPN2
O
EPP1
O
EPN1
I
MICP1
I
MICN1
I
MICP2
I
MICN2
29.1.2003
Signal Name
TC35i
BATT+
GND
POWER
VDD
BATT_TEMP
IGT
DSR0
RING0
RxD0
TxD0
CTS0
RTS0
DTR0
DCD0
CCIN
CCRST
CCIO
CCCLK
CCVCC
CCGND
VDDLP
EMERGOFF
SYNC
EPP2
EPN2
EPP1
EPN1
MICP1
MICN1
MICP2
MICN2
Page 11 of 34
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