Specifications

MC55/56 Hardware Interface Description
Confidential / Released
s
MC55/56_hd_v04.00a Page 79 of 108 24.08.2006
5.5 Electrical specifications of the application interface
Please note that the reference voltages listed in Table 30 are the values measured directly
on the MC55/56 module. They do not apply to the accessories connected.
If an input pin is specified for V
i,h,max
= 3.3V, be sure never to exceed the stated voltage. The
value 3.3V is an absolute maximum rating.
The Hirose DF12C board-to-board connector on MC55/56 is a 50-pin double-row receptacle.
The names and the positions of the pins can be seen from
Figure 34 which shows the top
view of MC55/56.
Figure 34: Pin assignment (top view on MC55/56)
BATT+ GND
BATT+ GND
BATT+ GND
BATT+ GND
BATT+ GND
VDD CHARGE
/RING0 POWER
/DSR0 VDDLP
/RTS0 /TXD0
/DTR0 /TXD1
/RTS1 /RXD0
/CTS0 /RXD1
/CTS1 SYNC
/DCD0 BATT_TEMP
/EMERGOFF RFSDAI
/IGT TXDDAI
GND SCLK
MICN1 TFSDAI
MICP1 RXDDAI
MICP2 CCGND
MICN2 CCIN
EPN1 CCRST
EPP1 CCIO
EPP2 CCVCC
EPN2 CCCLK
26
50
25
1