L64777 LSI Logic Corporation, L64777 Datasheet - Page 96

• Manufacturer Part Number: L64777
• Description: DVB Qam Modulator
• Manufacturer: LSI Logic Corporation

6-6
Table 6.5
Specifications
Mnemonic
FTMODE[2:0]
GND
ICLK
IDDTN
INT_n
IREF1
IREF2
NT_OUT
OCLK
PCLK
PLL_MODE[1:0]
PLL_OUT_CS
QAM_I
QAM_In
QAM_Q
QAM_QN
RESET_n
SB_BASE[1:0]
L64777 Pin Description Summary (Cont.)
Description
Functional Test Mode Input w/Pulldown
Ground
Input Clock
IDD Test
Interrupt Request
Reference Current
Input
Reference Current
Input
Nand Tree
VCO Clock Output or
External Clock Input
Clock Input for PLL
Mode 2
Select PLL Mode
PLL Current Source
Positive DAC Output
I Channel
Negative DAC Output
I Channel
Positive DAC Output
Q Channel
Negative DAC Output
Q Channel
Chip Reset
Serial Bus Base
Address Selector
Type
Analog
TTL Input
TTL Input
w/Pullup
Open Drain,
Driving Low
Analog Input
Analog Input
Output
Bidirectional
TTL input
Input w/Pulldown
3-state Current
Source
Analog Output
Analog Output
Analog Output
Analog Output
TTL Input
Input w/Pulldown
Drive
(mA)
–
–
–
–
4
–
–
4
–
–
–
4
–
–
–
–
–
–
Active
HIGH
–
LOW/
HIGH
LOW
LOW
–
–
HIGH
LOW/
HIGH
HIGH
HIGH
3-state
–
–
–
–
LOW
HIGH