Key Product Features; Accessory Conncetor; T720 Audio Logic Ic's; Brief Ic Functional Description - Motorola T720 Service Manual

T720

KEY PRODUCT FEATURES

— Higher data rates
— Stylish and sleek design that fits perfectly
in your hand for optimal comfort
— Save time with voice activated dialing and
menu control
— Make notes using the 120 seconds voice
note recorder
— Fast and easy text messaging including E-
Mail making it easy to stay in the loop
— Create an entertainment experience with
optimal FM stereo Radio and MP3 player
accessories.
— WAP micro browser for instant access to
valuable information while on the go
— Full PIM functionality with alarm and
calendar settings
— Up to 500 names and number entries in
address book with unlimited entries per
name
— Add distinctive alert to selected address
book entries and recognize incoming ID by
alert
— Three Games
— Personalize your own look with colorful
Phone Wrap cover
— 19 keys on the keypad for synergy support
— Volume and smart keys on the sides
— Integrated headset jack on the top above
which is the power button
Accessory connector:
• 17 pins CE bus connector, access to USB,
RS232, power, ground, analog and digital audio,
FM stereo headset.
720 AUDIO LOGIC ICs

Brief IC functional description:

1. Qualcomm Baseband IC is used in T720
— U1000: MSM5100 –uP, DSP, CoDec,
Vocoder, ADC, PDM, RF interface, USB
logic.
— U2000: PM1000-LDO's, RTC/XO, GP
ADC, State Machine w/POR, Battery
Control, SBI Control.
— U150: IFR3300:
Converter extracts BB components from
CDMA/Amp signals.
— U101: RFR3300: LNA, mixer
— U200: RFT3100: Baseband to RF transmit
processor.
— PA's: U170 & U401
2. Non Qualcomm Baseband IC is used in T720
— U1201: 32 Mbit (4 Mbyte) Intel Sawtooth
C3-Main software code
— U1202: 32 Mbit (4Mbyte) Intel Jaguar B3-
NVM for phasing, voice notes, phone
book, etc.
— U1203: 16 Mbit(2 Mbyte) SRAM
— U2101: Semtech
Controller
— U3000: Harness ASIC - Have the following
features: 1. Parallel to Serial conversion 2.
16 additional dedicated GPIO and 8
optional GPIO
Programmable Interrupt Timer) 4. CE bus
multiplexing, to allow Qualcomm based
radio to look like a CE bus compliant radio.
5. One wire bus serial interface for battery
EPROM.
— Y2000: 32.768Khz xtal- provide reference
clock to the microprocessor during sleep
mode operation.
8
Product Description
RX IF- Baseband
SC801 Charger
3. EPIT (Enhanced
© 2002 Motorola, Inc.