L64767 LSI Logic Corporation, L64767 Datasheet - Page 26

• Manufacturer Part Number: L64767
• Description: Smatv Qam Encoder
• Manufacturer: LSI Logic Corporation

L64767 Pin Descriptions
Table 5. L64767 Pin Description Summary
26
Mnemonic
DIN[7:0]
DVALIDIN
ERRORIN
FSTARTIN
ICLK
SSTARTIN
FIFOALARM
FIRSTOUT
FSTARTOUT
SCLK
SMAENC_I[9:0]
SMAENC_Q[9:0]
SYNCOK
OCLK
PLL_OUT_CS
PLL_OUT_EX
(Sheet 1 of 2)
This section describes the signal pins of the L64767 SMATV encoder.
Table 5
signal types for both output and input pins, and the drive capacity for
outputs. The summary is followed by
signal on each pin to a pin number on the 100-pin MQUAD package.
L64767 SMATV QAM Encoder
Description
Parallel/Serial Data In
Clock Enable Input
Error Detection Flag
External Sync Frame
Start
Input Clock
Sync Sequence Start
FIFO Collision Detected
First Block of a New
Sequence Out
Frame Start
Symbol Clock
Symbol I Modulation
Symbol Q Modulation
Sync Detection/Phase
Monitoring
Output Processing Clock
PLL Current Source
PLL Phase Sensitive
EXOR Comparator
summarizes the pins on the L64767. The table provides the
Type
TTL Input
TTL Input
TTL Input
TTL Input
TTL Input
TTL Input with pull-down
Output
Output
Output
Output
3-State Output
3-State Output
Output
TTL Input
3-state Current Source
Output
Table
6, a pin list, which relates the
Drive
(mA)
–
–
–
–
–
–
4
4
4
4
4
4
4
–
4
4
Active
3-state
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
+
+
+