TCM4300 Datasheet, PDF (8/69 Pages) Texas Instruments – Advanced RF Cellular Telephone Interface Circuit (ARCTIC )

1.2 TCM4300 Functional Block Diagram
TXIP
TXIN
TXQP
TXQN
RXIP
RXIN
RXQN
RXQP
FM
AGC
AFC
PWRCONT
PAEN
OUT1
FMRXEN
IQRXEN
TXEN
SCEN
SYNOL
TXONIND
Low-
Pass
Filter
Low-
Pass
Filter
A
Digital Filter
TXI (04b)
D/A
Analog
ID
Mode (LPF)
π/4 Shifted
DQPSK
A
Modulation
TX Data
Registers
D/A
Digital
Mode (SQRC)
QD
10
TXQ (05b)
0Fh TX
10h Offset
6
ModeSel
Anti-
aliasing
A/D
Filter
Digital Filter
Analog
Mode (LPF)
RXI 02h
Sample ¹⁰
Register
Anti-
aliasing
Filter
A/D
Digital
Mode (SQRC)
RXQ 03h
Low-
Pass
Filter
D/A
D/A
D/A
Wide-band
Data
WBD
8
Register ^00h
Demodulator
WBD _01h
5
Control _00h
5
Internal
AUX
D/As
8
Clocks
Clock
Generation
09h(D)
and
Timing
8
0Ah(D)
Adjustment
8
Logic
Control
Registers 7
8
0Bh(D)
8
10
0Ch
DStatCtrl
8
Register
Power
Control
8
0Eh
MStatCtrl
Register
DSP
Interface
3
Control
10
10
Data
4
Address
Internal
RESET
Power On
RESET
38.88MHz
Clock
Oscillator
TX
Common Mode Input
Bias
Control
Vref
Ref
Gen
10
SYNCLK
SYNDTA
SYNLE
3
[2:0]
RSSI
BAT
LCDCONTR
Synthesizer
Interface
03h – 09h
A/D
D/A
Microcontroller
to DSP FIFO
8
06h
8
01h
8
RSSI
0Bh
8
BAT
0Ch
4
LCD
4
0Dh
8
06h
DSP to
8
Microcontroller
01h
FIFO
Micro-
controller
Interface
6
Control
8
8
Data
5
Address
CONTROL
DATA
ADDRESS
RSINL
RSOUTH
RSOUTL
SINT
MCCLK
CSCLK
CMCLK
XTAL
MCLKIN
MCLKOUT
VCM
RBIAS
VHR
REFCAP
MWBDFINT
DWBDINT
CINT
DINT
CONTROL
DATA
ADDRESS
1–2