MOTOROLA MICRO TAC INTERNATIONAL 7500 GSM CHIPLIST LOGIC/RFBOARD FRONT
=======================================================================
 1) MC68332ACFC16	Motorola	U701	68K family 32 bit CPU 16 MHz with 2K TPURAM
 2) 2 x AM29F040-120	AMD	        U702/7	Flash memory 512K x 8  (4 Mbit) 120 ns (some models has EPROM)
 3) 2 x KM62256 -7 	SEC	        U704/5	RAM 32K x 8  (256 Kbit) 70 ns
 4) M28C64C-20K6	SGS-T	        U706	EEPROM 8K x 8 (64Kbit) 200ns
 5) 74AC04 		Motorola		6 x 2 State inverters 
 6) 43E07, SCV38138CB05 Motorola		BIC (Bus Interface Chip) (U703)
 7) 14051B		Motorola		8 Ch Analog multiplexer / demultiplexer
 8) MC14447DW	        Motorola		8 - 10 bit, 6 ch ADC
 9) AT&T 1616S30	Lucent	       	U801	DSP incl. 12Kx16 bit ROM & 2Kx16 bit DPRAM (U801 Speech Coder)
10) 99T30, SC79954FB	Motorola		CAR (Control, Audio & Regulator) (U901)
11) MC145480DW 	        Motorola		PCM CODEC Filter Mu / A- Law
12) 33172, 4YNL	        Motorola		Dual Operational Amplifier

XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
X                               X
X +-----------------+ +-------+ X
X |                 | | FLASH | X
X |                 | |  RAM  | X
X |                 | |  512K | X
X |   32 BIT CPU    | +-------+ X
X |                 |    (U702) X
X |     (U701)      |           X
X |                 | +-------+ X
X |                 | | FLASH | X
X +-----------------+ |  RAM  | X
X                     |  512K | X
X                     +-------+ X
X            +------+    (U707) X
X    +-----+ | EE-  |           X
X    |6xINV| | PROM | +--+ +--+ X
X    +-----+ | 8K   | |M | |M | X
X            +------+ |E | |E | X
X  +------+   (U706)  |M | |M | X
X  |      |           |  | |  | X
X  | BIC  |           +--+ +--+ X
X  |(U703)|          (U704/U705)X
X  +------+              +----+ X
X             +-----+    |ADC | X
X             | MUX |    +----+ X
X             +-----+     (U902)X
X  +--------+  (U804)           X
X  |        |                   X
X  |  DSP   |                   X
X  | (U801) |                   X
X  |        |         +------+  X
X  +--------+         |      |  X
X                     | CAR  |  X
X       +------+      |(U901)|  X
X       |      |      +------+  X
X       | PCM  |                X
X       | CO-  |  +---+         X
X       | DEC  |  |OP-|         X
X       |(U803)|  |AMP|         X
X       +------+  +---+         X
X HW 6.0 SUF1989F MOTOROLA 7500 X 
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

The CAR chip control power on/off events, audio amplification,
keypad tones, ringer tones and levels, and regulate a 4.8v
supply to the rest of the board

The BIC interfaces the call processor to the rest of the pcb, 
voltage levels etc.


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