FOCUS Enhancements FS453 User Manual download pdf (Page 20)

FS453/4 AND FS455/6 DATA SHEET: HARDWARE REFERENCE

Name

FBGA

Number

PQFP Pin

Number

Type/Value Pin Function Description

Power and Ground

VDD_PA C12 59 +3.3 V CLKOUT Phase-locked loop Power. Filtered

3.3 volt power for CLKOUT phase locked loop.

VDD_OSC B11 61 +3.3 V TV Crystal Oscillator Power. Filtered 3.3

volt power for XTAL oscillator.

VDD_33 J13,L2,M

19,30,46 +3.3 V Digital Power 3.3V. 3.3 volt power for I/O

section of chip.

VDD_O D12 57 +1.5 to 3.3 V Digital Power Output. 1.5 to 3.3 volt power

for clock output.

VDD_18 B13,J12,

M1,N13

20,40,47,

+1.8 V Digital Power 1.8V. 1.8 volt power for digital

section of chip.

VDD_DAD B2 1 +3.3 V D/A Converter Digital Power.

VDD_DA B5,B6,B7,

67,69,71,

+3.3 V D/A Converter Power. Filtered 3.3 volt power

for 10 bit video D/A converters.

VSS_PA C13 58 0 V CLKOUT phase-locked loop Ground.

VSS_OSC A10 64 0 V TV Crystal Oscillator Ground.

VSS_33 L13,M3,N

22,31,42 0 V Digital Ground. 3.3 volt power return.

VSS_O E12 55 0 V Digital Ground. 1.5 to 3.3 volt output power

return.

VSS_18 D1,L12,M

12,N2

4,21,41,

0 V Digital Ground. 1.8 volt power return.

VSS_DAD A1 80 0 V D/A Converter Digital Ground.

VSS_DA A3,A5,B9 65,74,79 0 V D/A Converter Analog Ground.

Table 4: FS453 Pin Descriptions

FOCUS Enhancements Semiconductor

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 40 41

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FOCUS Enhancements FS453 User Manual Page 20