MC145426 Motorola, MC145426 Datasheet - Page 13

• Manufacturer Part Number: MC145426
• Description: (MC145422 / MC145426) UNIVERSAL DIGITAL-LOOP TRANSCEIVER(UDLT)
• Manufacturer: Motorola

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DataSheet
4
MOTOROLA
U
.com
OUT (INTERNAL)
DEMODULATOR
CCI/TDC/RDC
SO1, SO2
SI1, SI2
SYNC
MSI
TE1
RE1
VD
Tx
Rx
VALID
TRANSFER RECEIVE REGISTER TO MODULATION BUFFER, LATCH VALID DATA PIN,
LATCH SI1, SI2. TWO CCI CLOCKS LATER, TRANSFER RECEIVE REGISTER TO
MODULATION BUFFER, START MODULATION.
Figure 10. Master UDLT Timing
THREE–STATE
125 s
DON’T CARE
VALID DATA
DON’T CARE
MC145422 MC145426
TRANSFER DEMODULATOR
DATA TO DEMODULATION
BUFFER
VALID
IN
IN
IN
OUT
IN
IN
IN
OUT
OUT
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