TC35i: Migration from TC35 to TC35i
PRELIMINARY
TC35_TC35i_MIG_01_V01.01 29.1.2003 Page 11 of 34
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
Signal Name
Pin No. Function IO
TC35 TC35i
1-5 Power supply I VBATT+ BATT+
6-10 Ground Ground GND GND
11-12 Charger I POWER POWER
13 External supply voltage O VDD VDD
14 Battery Temperature I AKKU_TEMP BATT_TEMP
15 Ignition I /IGT IGT
16 RS232 O DSR0 DSR0
17 RS232 O /RING RING0
18 RS232 O RxD0 RxD0
19 RS232 I TxD0 TxD0
20 RS232 O CTS0 CTS0
21 RS232 I RTS0 RTS0
22 RS232 I DTR0 DTR0
23 RS232 0 DCD0 DCD0
24 SIM I CCIN CCIN
25 SIM O CCRST CCRST
26 SIM IO CCIO CCIO
27 SIM O CCCLK CCCLK
28 SIM O CCVCC CCVCC
29 SIM Ground CCGND CCGND
30 RTC Backup O VDDLP VDDLP
31 Power Down I /PD EMERGOFF
32 Synchronization O SYNC SYNC
33 Audio O EPP2 EPP2
34 Audio O EPN2 EPN2
35 Audio O EPP1 EPP1
36 Audio O EPN1 EPN1
37 Audio I MICP1 MICP1
38 Audio I MICN1 MICN1
39 Audio I MICP2 MICP2
40 Audio I MICN2 MICN2
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