L64780 LSI Logic Corporation, L64780 Datasheet - Page 97

• Manufacturer Part Number: L64780
• Description: Dvb-t Cofdm Demodulator Technical Manual 2/00
• Manufacturer: LSI Logic Corporation

5.6 3-Wires Signals
5.7 JTAG Signals
This section lists and describes the 3-wire signals.
XCTR_OUT[2:0]
XCTR_IN[2:0] Tuner Control Input
This section lists and describes the JTAG signals.
TCK
TDI
TDO
TMS
TRESETN
3-Wires Signals
Tuner Control Output
These three output pins are mainly used to control the
tuner and are directly controlled through the
microprocessor.
These three input pins collect information from the tuner.
When not used, these pins must be connected to ground.
JTAG TAP Clock
When in normal operating mode, this pin must be
connected to VDD.
JTAG TAP Test Data Input
When in normal operating mode, this pin must be
connected to VDD.
JTAG TAP Test Data Output
JTAG TAP Test Data output.
JTAG TAP Test Mode Select
When in normal operating mode, this pin must be
connected to VDD.
JTAG TAP Reset
When in normal operating mode, this pin must be
connected to VDD.
O 3-State
O 3-State
I Pull-UP
I Pull-Up
I Pull-Up
I Pull-Up
5-7
I