PSB7238 SIEMENS [Siemens Semiconductor Group], PSB7238 Datasheet - Page 115
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PSB7238
Manufacturer Part Number
PSB7238
Description
Joint Audio Decoder-Encoder - Multimode
Manufacturer
SIEMENS [Siemens Semiconductor Group]
Datasheet
1.PSB7238.pdf
(190 pages)
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STR
STX
Semiconductor Group
Status of generation of RFS pulses
Only valid when RFIN = 0 (RFS pulses internally generated) and used if
RCONT bit in RFS mode register is ‘0’.
A ‘1’ indicates that generation of pulses as a result of a previous STR
command is still on-going.
This function may be used in connection with the HDLC controller when a
predefined number of data units (e.g. words) are received, clocked by RFS
pulses.
Set:
Reset: 16 bit periods after the last RFS pulse, after hardware reset.
Status of generation of TFS pulses
Only valid when TFIN = 0 (TFS pulses internally generated) and used if
TCONT bit in TFS mode register = 0.
A ‘1’ indicates that generation of pulses as a result of a previous STX
command is still on-going; STX is reset to ‘0’ 16 bit periods after the last TFS
pulse has been generated.
This function may be used in connection with the HDLC controller when a
predefined number of data units (e.g. words) are to be transmitted, clocked
by TFS pulses.
Set:
Reset: 16 bit periods after the last TFS pulse, after hardware reset.
With the rising edge of the first RFS pulse being generated.
With the rising edge of the first TFS pulse being generated.
115
Register Description
Data Sheet 1998-07-01
PSB 7238
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