MC145540 데이터 시트보기 (PDF) - Motorola => Freescale
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MC145540 Datasheet PDF : 116 Pages
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Byte
BR0
BR1
BR2
BR3
BR4
BR5
BR6
BR7
BR8
BR9
BR10
BR11
BR12
BR13
BR14
BR15
Table 3-2. Byte Register Map
b7
Ext
256 kHz
Clk
Reserved
RO
Reference
Select
Digital Rx
Gain
Enable
N.B. Time
(7)/ Tone
Param.
(7)
N.B.
Threshold
(7) /
Address
Param.
(1)
Reserved
Tone
Param.
Status
Software
Encoder
Reset
Encoder
PCM (7)
D/A PCM
(7)
Reserved
Reserved
Reserved
Reserved
Reserved
b6
Mu/A Law
Select
Sidetone
Gain (2)
AXO
Enable
Digital Rx
Gain (6)
N.B. Time
(6)/ Tone
Param.
(6)
N.B.
Threshold
(6) /
Address
Param.
(0)
Reserved
N.B.
Detect
Enable
Software
Decoder
Reset
Encoder
PCM (6)
D/A PCM
(6)
Reserved
Reserved
Reserved
Reserved
Reserved
b5
Analog
Loopback
Sidetone
Gain (1)
PO
Disable
Digital Rx
Gain (5)
N.B. Time
(5)/ Tone
Param.
(5)
N.B.
Threshold
(5) /
Don’t
Care
Reserved
2/6
Delay
Linear
Codec
Mode
Encoder
PCM (5)
D/A PCM
(5)
Reserved
Reserved
Reserved
Reserved
Reserved
b4
I/O Mode
(1)
Sidetone
Gain (0)
Receive
Filter
Disable
Digital Rx
Gain (4)
N.B. Time
(4)/ Tone
Param.
(4)
N.B.
Threshold
(4) /
Don’t
Care
Reserved
G.726/
Motorola
16 kbps
Highpass
Disable
Encoder
PCM (4)
D/A PCM
(4)
Reserved
Reserved
Reserved
Reserved
Reserved
b3
I/O Mode
(0)
Transmit
Mute
RO Mute
Digital Rx
Gain (3)
N.B. Time
(3)/ Tone
Param.
(3)
N.B.
Threshold
(3) /
Tone
Param.
(11)
Reserved
Tone
Enable
Reserved
Encoder
PCM (3)
D/A PCM
(3)
Reserved
Reserved
Reserved
Reserved
Mask (3)
b2
Charge
Pump
Disable
Transmit
Gain (2)
Analog
Receive
Gain (2)
Digital Rx
Gain (2)
N.B. Time
(2)/ Tone
Param.
(2)
N.B.
Threshold
(2) /
Tone
Param.
(10)
Reserved
Reserved
Reserved
Encoder
PCM (2)
D/A PCM
(2)
Reserved
Reserved
Reserved
Reserved
Mask (2)
b1
Analog
Power
Down
Transmit
Gain (1)
Analog
Receive
Gain (1)
Digital Rx
Gain (1)
N.B. Time
(1)/ Tone
Param.
(1)
N.B.
Threshold
(1) /
Tone
Param.
(9)
Reserved
Tone 1
Enable
Reserved
Encoder
PCM (1)
D/A PCM
(1)
Reserved
Reserved
Reserved
Reserved
Mask (1)
b0
Digital
Power
Down
Transmit
Gain (0)
Analog
Receive
Gain (0)
Digital Rx
Gain (0)
N.B. Time
(0)/ Tone
Param.
(0)
N.B.
Threshold
(0) /
Tone
Param.
(8)
Reserved
Tone 2
Enable
Reserved
Encoder
PCM (0)
D/A PCM
(0)
Reserved
Reserved
Reserved
Reserved
Mask (0)
3-2
MC145540
MOTOROLA
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