MSM7584C View Datasheet(PDF) - Oki Electric Industry
Part Name
Description
MFG CO.
'MSM7584C' PDF : 57 Pages View PDF
¡ Semiconductor
MSM7584C
(Modem)
(13) CR14 (Basic Operation Mode Setting)
CR14
Initial Value
B7
B6
B5
B4
B3
B2
B1
B0
TXC
MOD
—
IFSEL
—
SEL
OFF
—
TEST1 TEST0
0
0
0
0
0
0
0
0
B7, B3, B2: ........ Not used
B6: ..................... Transmission timing clock selection
0: TXCI input: 384 kHz TXCO output: APLL 384 kHz output
Transmit data TXD is input synchronously with the rising edge of
TXCI. APLL is ON.
1: TXCI input: 3.84 MHz
TXCO output: 384 kHz (TXCI
divided by 10)
Transmit data TXD is input synchronously with the rising edge of
TXCO. APLL is OFF.
B5: ..................... Modulation OFF/ON control
0: Modulation ON
1: Modulation OFF (fixed phase)
B4: ..................... Receive side input IF frequency selection
0: 1.2 MHz
1: 10.8 MHz
B1, B0: .............. Device test control bits
These bits should be set to "0" for normal use.
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