sx1441 Semtech Corporation, sx1441 Datasheet - Page 9

• Manufacturer Part Number: sx1441
• Description: Bluetooth V1.2 Soc For Voice And Data Applications With Dsp Capabilities
• Manufacturer: Semtech Corporation

Personal Area Network
3 DETAILED FUNCTIONAL DESCRIPTION
3.1
© Semtech 2006
DOC_SDIO
DOC_SCK,
DBG[7 :0]
NRESET
SYS_CLOCK_IN
SLW_CLOCK_IN
TP[4 :0]
BLOCK DIAGRAM
Controller
Controller
Controller
Controller
Oscillator
Interrupt
Counter/
Memory
Event
Reset
Timer
Clock
Data
DoC
RC
CoolRISC 816
(ROM / RAM)
RISC CPU
Program
Memory
Figure 3 - SX1441 block diagram
9
Application
Management
GPIO PB
GPI PA
BT HCI
Codec
UART
UART
Power
SPI
uart
bus
pcm
bus
Bluetooth 1.2
VSS_M, VSS_PA, VSS_DIG,
VSSIO, VSSIO_DIG
Sequencer
SX1441 – Bluetooth® 1.2 SoC
VMIC_P, VMIC_N
PA_OUTP, PA_OUTN
PA[7 :0]
MISO, MOSI, SCK, NSS[4 :0]
WAKEUP
VDDBAT
VREGA, VREGD
VREF, VREG_OFF
VDD_M, VDD_PA, VDD_DIG,
VDDIO, VDD_ANA, VDDIO_DIG
PB[7 :0]
RX_DATA
SPI_DATA_IN
TX_DATA
RX_EN
SYNC_DETECT
TX_EN
SPI_DATA_OUT
SPI_CLK_OUT
SPI_EN_BAR
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Data Sheet