U2739M-BFC ATMEL [ATMEL Corporation], U2739M-BFC Datasheet - Page 6

• Manufacturer Part Number: U2739M-BFC
• Description: DAB One-Chip Channel- and Source Decoder
• Manufacturer: ATMEL [ATMEL Corporation]

1.5
D Source decoder output interface: I
D Data decoder output interface: V24 or HSSO
D Channel decoder output interface: RDI and SFCO
D Microcontroller interface: I
D RDI:
D SFCO simple full capacity output:
2
U2739M-B
6 (69)
VCXO
– Extended high capacity mode
– IEC 958 format
– RDI control channel (RCC)
– window-, serial sub-channel identifier (SbChId)-,
– 3.072 MHz burst mode interface
TUNER
ROM
tank
ADC
PWM
data-, error- and clock line
Functional Block Diagram
Interfaces
U2739M-B
IQ splitting
generation
FSYNC
filtering
AMD
BOOT
UNIT
UNIT
XO
W_AGC
FSYNC
2
dF
C/L3
HSSO
AGC
AFC
2
Frequency
synchro–
S and SPDIF
nization
nization
synchro–
SLI
Time
Figure 2. Functional block diagram
modulation
FS_IN
De-
interface
MC
MC
TII decoding
interleaving
generation
SRAM
(USE)
Status
De-
D 10-bit ADC interface:
D DSP OAK core bootstrap ROM interface
D Voltage controlled reference oscillator (VCXO)
D Time de-interleaver SRAM (4 Mbit) interface
D High speed serial output HSSO (PAD, DD1, DD2,
MC interface
– ADC sampling clock generation
– ADC binary or 2’s complement format selection
– support of several intermediate frequencies
interface
CIR) interface, 3-line serial burst mode interface
memory
MC
Decodeing
Channel
decoder
SFCO
Source decoder
RDI interface
Data decoder
(AIC (USE))
extraction
decoder 2
controller
decoding
decoder 1
Audio
source
(FIDC)
Data
PAD
Data
RDI
Rev. A1, 22-May-01
I2S
SPDIF
RDI_RX
RDI_TX
V24/RS232
DAC