qf4a512 ETC-unknow, qf4a512 Datasheet - Page 10

• Manufacturer Part Number: qf4a512
• Description: 4-channel Programmable Signal Converter Psc
• Manufacturer: ETC-unknow

Rev C5, Jan 07
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DRDY/SEL Input/Output
DV
DGND
DGND
DGND
DV
DV
XV
XGND
PGND
PV
AGND
AV
AV
AGND
AGND
AV
XOUT
SCLK
/RST
SDO
SDI
/CS
XIN
DD18
DD18
DD33
DD18
DD18
DD18
DD18
DD33
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Output
Output
Power
Power
Power
Power
Power
Power
Power
Power
Input
Input
Input
Input
Input
+1.8V DC Power (Digital)
Digital Ground
Digital Ground
Chip Select from SPI Bus (Low logic selects chip). Internal pull-up.
High when new data is ready, if pulled high accesses EEPROM direct.
Internal pull-down.
SPI Serial Data Output
SPI Serial Data Input
SPI Clock (Maximum 40 MHz)
Chip RESET (Low logic resets chip). Internal pull-up.
Digital Ground
+1.8V DC Power (Digital)
+3.3V DC Power (Digital)
Filtered +1.8V DC Power for Internal Oscillator
Crystal connection or external clock input (10-20 MHz)
Crystal connection (10-20 MHz)
Ground for Internal Oscillator
Ground for Phase Lock Loop
+1.8V DC Filtered Power for Phase Lock Loop
Analog Ground
+1.8V DC Power (Analog)
+1.8V DC Power (Analog)
Analog Ground
Analog Ground
+3.3V DC Power (Analog)
PRELIMINARY
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QF4A512