Singlestone
PBA 313 07
Preliminary Product Overview
4/2004
11
2.6 Functional Block Diagram
JTAG
GPIO
26 MHz XO
Digital Baseband
Section
Data-
RAM/
Control-
RAM
(Buffers)
Loop Filter
Demodulator
Antenna
Switch
Analog RF-Section
I
2
C-
Interface
Analog Baseband Section
Σ∆
-Clocks-PLL
Power management unit
Digital Link Control
Section
RF Frequency
Synthesizer
(Analog part of
Σ∆
-
Fractional-N-PLL)
&
Transmitter
UART
Σ∆
Fract.-N-
PLL
Control
Information
PCM-
Interface
A/
µ
-Law
CVSD
Par
a
Ser
Baseband-
Control
CRC/FEC
CRC/FEC
Ser
a
Par
Frame-
Sync
Symbol-
Recov.
Offset -
Canc.
Timers/
RF-Interface
Impulse
Shaping
Bluetooth
Link-Control/
Link-Manager/
HCI-UART
Clocks
Timer
Watch-
dog
Inter-
rupts
Ports
I²C
UART
Receiver
LNA
PCM Interface
32.768 kHz
Encryption
Balun +
filter
E2PROM
VSUPPLY (3.0V – 4.75V)
WAKEUP
PMB8761 BlueMoon Single Cellular
Figure 2-4: Singlestone PBA 313 07 Block diagram
