TCM38C17IDL Datasheet, PDF (12/22 Pages) Texas Instruments – QComboE FOUR-CHANNEL QUAD PCM COMBO

TCM38C17IDL
QCombo™ FOUR-CHANNEL (QUAD) PCM COMBO
SLWS040C – JUNE 1996 – REVISED OCTOBER 1999
PARAMETER MEASUREMENT INFORMATION
MCLK
tsu(FS)
FS
Time Slot 1
1
2
3
4
5
6
7
8
th(FS)
tr
tf
tw(MCLK)
tc(MCLK)
PCMOUT
tpd1
Bit 1†
tpd2
Bit 2
Bit 3
Bit 4
Bit 5
Bit 6
tpd3
Bit 7
Bit 8‡
† _{Bit 1 = MSB = most significant bit and is clocked in first on the PCMIN terminal or is clocked out first on the PCMOUT terminal.}
‡ _{Bit 8 = LSB = least significant bit and is clocked in last on the PCMIN terminal or is clocked out last on the PCMOUT terminal.}
Figure 3. PCM Transmit Timing
MCLK
tsu(FS)
FS
1
2
3
th(FS) ^tr
Time Slot 1
4
5
6
tf
tw(MCLK)
7
8
tc(MCLK)
tsu(PCMIN)
PCMIN
Bit 1†
Valid
th(PCMIN)
Bit 2
Valid
Bit 3
Valid
Bit 4
Valid
Bit 5
Valid
Bit 6
Valid
Bit 7
Valid
Bit 8‡
Valid
† _{Bit 1 = MSB = most significant bit and is clocked in first on the PCMIN terminal or is clocked out first on the PCMOUT terminal.}
‡ _{Bit 8 = LSB = least significant bit and is clocked in last on the PCMIN terminal or is clocked out last on the PCMOUT terminal.}
Figure 4. PCM Receive Timing
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