ST5090 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'ST5090' PDF : 29 Pages View PDF
ST5090
Table 4: Control Register CR2 Functions
76543210
d7 d6 d5 d4 d3 d2 d1 d0
Function
msb
lsb Data sent to Receive path or Data received from DR input (1)
(1) Significant in companded mode only.
Table 5: Control Registers CR3 Functions
76543210
d7 d6 d5 d4 d3 d2 d1 d0
Function
msb
lsb DX data transmitted
(1)
(1) Significant in companded mode only
Table 6: Control Register CR4 Functions
76543210
VS TE SI OE1 OE2 RTE
SE
Function
00
01
10
11
Transmit input muted
*
MIC1 Selected
MIC2 Selected
MIC3 Selected
0
Internal sidetone disabled
*
1
Internal sidetone enabled
00
Receive output muted
*
01
VFr output selected
10
VLr output selected
11
NOT ALLOWED
0
Ring / Tone to VFr or VLr disabled
*
1
Ring / Tone to VFr or VLr enabled
X
0 Receive Signal to VFr or VLr disabled
*
1 Receive Signal to VFr or VLr enabled
*:
state at power on initialization
X:
reserved: write 0
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