LMX9838SB National Semiconductor, LMX9838SB Datasheet - Page 3

• Manufacturer Part Number: LMX9838SB
• Manufacturer: National Semiconductor

Specifications of LMX9838SB

• Lead Free Status / Rohs Status: Compliant

RXD
TXD
RTS# (Note 2)
CTS# (Note 3)
RESET#
XOSCEN
PG6
PG7
Pad Name
Pad Name
Pad Name
7.0 Connection Diagram
8.0 Pad Description
Note 2: Treat As No Connect If RTS is not used. Pad required for mechanical stability.
Note 3: Connect to GND if CTS is not use.
OP4/PG4
32K+
OP3
OP5
32K-
Pad Location
Pad Location
Pad Location
19
12
13
14
15
16
26
25
28
27
2
8
7
PG4: I/
OP4: I
Type
Type
Type
I/O
I/O
I/O
O
O
O
O
O
I
I
I
I
I
TABLE 3. Auxiliary Ports Interface Signals
GND (if not used) 32.768 kHz Crystal Oscillator
GND (if not used) Host Serial Port Clear To Send (active low)
NC (if not used)
NC (if not used)
Low active, either
Default Layout
Default Layout
NC or connect to
Default Layout
TABLE 1. System Interface Signals
TABLE 2. UART Interface Signals
host
Host Serial Port Receive Data
Host Serial Port Transmit Data
Host Serial Port Request To Send (active low)
OP3: Pin checked during Startup Sequence for configuration option
OP4: Pin checked during Startup Sequence for configuration option
PG4: GPIO
OP5: Pin checked during Startup Sequence for configuration option
32.768 kHz Crystal Oscillator
Module Reset (active low)
Host main Clock Request. Toggles with Main crystal (X1) enable/
disable
GPIO - Default setup LINK STATUS indication
GPIO - Default setup RF traffic LED indication
3
Description
Description
Description
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