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TDMA StarTAC
TM
P8190:
DCI(U1800)
A
22
Description
The DCI(U1800) is data converter interface between the DSP and the RF functions of a dual band TDMA transceiver. It incorporates the following functions:
•
Dual channel forward data I and Q(RX_I & RX_Q)
•
Two DACs for reverse data I and Q(TX_I & tx_Q)
•
DAC for AFC
•
DAC for AGC & DAC for reverse PA control
•
DAC for PA bias
•
Serial Synchronous Interface(SSI)
•
Serial Peripheral Interface(SPI)
•
Countdown timer for call processor wake-up
•
Free-running Real Time Counter to keep track of the time when control processor is stopped
•
Internally generates clocks from single master input
•
Power saving power-down modes
•
Analog wide band forward data signalling functions with SPI interface
•
Analog modulator interface
•
Analog discriminator interfaces
•
RF Discontinuous Receive during Manchester decoding
•
On chip voltage reference for transmit I and Q
BLOCK DIAGRAM NOT NECESSARY
REFER TO PAGE B21
Summary of Contents for Timeport P8190
Page 1: ...DIGITAL WIRELESS TELEPHONE Model P8190 TDMA 800MHz Analog 800MHz Service Manual Level III ...
Page 3: ......
Page 28: ... 2000 Motorola Inc TDMA Timeport P8190 Cellular Overview 16 ...
Page 36: ...24 TDMA Timeport P8190 Accessories 2000 Motorola Inc ...
Page 44: ...Motorola Confidential Proprietary TDMA Timeport P8190 TDMA Test Mode NAM Programming 32 ...
Page 66: ...Motorola Confidential Proprietary TDMA Timeport P8190 Test Procedures 54 ...
Page 76: ...64 TDMA Timeport P8190 Disassembly Speaker Vibrator Removal Motorola Confidential Proprietary ...
Page 88: ...76 TDMA Timeport P8190 Parts List Motorola Confidential Proprietary ...