LMX5453 Datasheet, PDF (4/40 Pages) National Semiconductor (TI) – Micro-Module Integrated Bluetooth-R 2.0 Baseband Controller and Radio

LMX5453
SNOSAU2D – FEBRUARY 2006 – REVISED JANUARY 2014
SIGNAL DESCRIPTIONS
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Pad Name
X1_CKO
X1_CKI
X2_CKI
X2_CKO
RESET_RA#
B_RESET_RA#
RESET_BB#
ENV1
TE
TST1/DIV2#
TST2
TST3
TST4
TST5
TST6
USB_D-
USB_D+
MDODI⁽¹⁾
OP6/SCL/MSK
OP7/SDA/MDIDO
OP3/MWCS#
OP4/PG4
OP5/SFS1
SCLK
SFS
SRD
STD
XOSCEN
PG6
PG7
Pad Location
F7
E7
F5
E5
B8
B6
B7
C6
A9
B10
C7
C8
C9
D8
D9
A3
A2
D1
C1
D4
D3
D6
F4
F1
F2
F3
E3
A6
A7
D2
Table 1. Signal Descriptions
Type
O
I
I
O
I
O
I
I
I
I
I
I
I
I
I
I
I
I/O
OP6: I
SCL/MSK:
I/O
OP7: I
SDA/MDID
O:
I/O
I
OP4: I
PG4: I/O
I/O
I/O
I/O
I
O
O
O
O
Default Layout
Description
Crystal 10-20 MHz
Crystal or External Clock 10-20 MHz
GND (if not used)
32.768 kHz Crystal Oscillator
NC (if not used)
32.768 kHz Crystal Oscillator
Radio Reset Input (active low)
Buffered Radio Reset Output (active low)
Baseband Controller Reset (active low)
NC
ENV1: Environment Select used for manufacturing
test only
GND
Test Enable - Used for manufacturing test only
NC
TST1: Test Mode. Leave not connected to permit use
with VTune automatic tuning algorithm.
DIV2#: No longer supported
GND
Test Mode, Connect to GND
GND
Test Mode, Connect to GND
GND
Test Mode, Connect to GND
GND
Test Mode, Connect to GND
VCO_OUT
Test Input, Connect to VCO_OUT through a zero-
ohm resistor to permit use with VTune automatic
tuning algorithm
USB Data (negative)
USB Data (positive)
SPI Master Data Out/Slave Data In
See Table 20
OP6: Pin checked during the start-up sequence for
configuration option
SCL: ACCESS.Bus Clock
MSK: SPI Shift
See Table 20
OP7: Pin checked during the start-up sequence for
configuration option
SDA: ACCESS.Bus Serial Data
MDIDO: SPI Master Data In/Slave Data Out
See Table 20 and Table 21
OP3: Pin checked during the start-up sequence for
configuration option
MWCS#: SPI Slave Select Input (active low)
See Table 20 and Table 21
OP4: Pin checked during the start-up sequence for
configuration option
PG4: GPIO
See Table 20 and Table 21
OP5: Pin checked during the start-up sequence for
configuration option
SFS1: Audio PCM Interface - Frame Synchronization
for second codec
Audio PCM Interface Clock
Audio PCM Interface Frame Synchronization
Audio PCM Interface Receive Data Input
Audio PCM Interface Transmit Data Output
Clock Request. Toggles with X2 (LP0) crystal
enable/disable
See NVS Table 21
GPIO - Default setup USB status indication
See NVS Table 21
GPIO - Default setup TL (Transport Layer) traffic
LED indication
(1) Must use 1k ohm pull up
4
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