FS453/4 AND FS455/6
DATA SHEET: HARDWARE REFERENCE
Pin
Name
FBGA
Pin
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
7
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,
60
+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,
B8
67,69,71,
73
+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
7
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,
43
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
JANUARY, 2005, VERSION 3.0
20
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©
2003-4 FOCUS ENHANCEMENTS, INC.
FOCUS Enhancements Semiconductor
