I360 Mobile Phone Maintenance Manual v0.1
sub-modules (the SIM converter, SIM voltage converter for 3V-5V logic signals).There
are also some improvements in the control of recharging power increasing and of the
recharging progression.
2.3 GSM Processor
2.3.1 Mcu Chip
The enhanced GSM processor is a highly integrated core element in the
GSM chipset. The GSM processor features all base-band functions of the layer
1 protocols, including:
A. Complete Single Chip GSM Processor
B. Channel Codec Subsystem
a.
Channel Coder/decoder
b. Interleaving/de-interleaving
c. Encryption/decryption
d. Control processor
d. 32-bit microcontroller(ARM7TDMI)
C. Serial and parallel display interfaces
D. Keyboard interface
E. EPROM interface
F. SIM interface
G. ABB interface
H. Wireless control subsystem
I. Programmable backlight
J. Real-time clock with alarming function
K. DSP subsystem
a. 16-bit solid-state coding
LENOVO Lenovo Mobile Telecommunications Co., Ltd.
（
OPEN DOC
）
Page
12
of
12
