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| TCM4400E Datasheet, PDF (4/64 Pages) Texas Instruments – GSM/DCS BASEBAND AND VOICE A/D AND D/A RF INTERFACE CIRCUIT | |||
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TCM4400E
GSM/DCS BASEBAND AND VOICE A/D
AND D/A RF INTERFACE CIRCUIT
SLWS082A â JULY 1999 â REVISED MARCH 2000
functional block diagram
Main Clock
Generator
USEL 75
UCLK 78
UDX 76
UDR 77
BFSX 1
BDX 3
BCLKX 2
BFSR 6
BDR 4
BCLKR 5
MCU
Serial
Interface
DSP
Serial
Interface
VCLK 16
VFS 13
VDX 14
VDR 15
Voiceband
Serial
Interface
SSCLK 20
SSRST 17
SSDX 18
SSDR 19
DAI
Interface
JTAG
Interface
GSM Windows
Timing
Interface
Power
Management
Auxiliary DAC
Analog AGC
45
AGC
APC (D/A)
RF TX Ramp
47
APC
Bus
Controller
Voice Uplink 13 Bit ADC
Two Analog Inputs
Programmable Gain
Bandpass Digital Filter
Side-tone
Voice Downlink 13 Bit DAC
Auxiliary Earphone Output
Programmable Volume
Smoothing Filter
Bandpass Digital Filter
Baseband Uplink GMSK Modulator
Internal Burst RAM
Automatic Offset Compensation
8-Bit DAC and Smoothing Filter
Baseband Downlink I/Q Path
Automatic Offset Compensation
10-Bit ADC and Antialiasing Filter
60
BULIP
59
57 BULIN
BULQN
58
BULQP
53
BDLIP
54
BDLIN
52
BDLQN
51
BDLQP
AGC, AFC
APC Output
Swing Control
43
AVDD5
I REF-VREF
VMID
Bias
AFC (D/A)
46
VTCXO Control
AFC
Auxiliary
10 Bits
5 Inputs ADC
36
ADIN1
37
ADIN2
38
ADIN3
39
ADIN4
40
ADIN5
4
⢠POST OFFICE BOX 655303 DALLAS, TEXAS 75265
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