BT848 ETC, BT848 Datasheet - Page 22
BT848
Manufacturer Part Number
BT848
Description
Single-Chip Video Capture for PCI
Manufacturer
ETC
Datasheet
1.BT848.pdf
(141 pages)
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F
Pin Descriptions
Table 2. Pin Descriptions Grouped by Pin Function (6 of 6)
12
UNCTIONAL
Pin #
90, 109,
123
12, 19,
26, 34,
41, 48,
57, 64,
71, 77,
80, 91,
100, 107,
121, 122,
160
132, 135,
140, 142,
144, 146,
149, 153,
155, 159
4
124–129
I/O Column Legend:
I = Digital Input
O = Digital Output
I/O = Digital Bidirectional
A = Analog
G = Ground
P = Power
D
ESCRIPTION
Pin Name
VDDG +5V
GND
AGND,
VNEG
PVREF
N/C
GPX[5:0]
I/O
P
G
G
A
I/O
Signal
No connect
Remapped from
GPIO [5:0]
L848A_A
Description
Power supply for GPIO port signals. A 0.1 F ceramic capac-
itor should be connected between the VDDG pins and the
ground plane as close to the device as possible.
Ground for digital circuitry. All GND pins must be connected
together as close to the device as possible.
Ground for analog circuitry. All AGND pins and VNEG must
be connected together as close to the device as possible.
This pin should be connected to GND (this reference signal
may be connected to the +3.3 V pin on the PCI bus, even if
the PCI bus does not supply 3.3 V).
Reserved
These pins are remapped on the Bt848A and Bt849A to pro-
vide the same functionality as on the Bt848 but on a different
pin.
Single-Chip Video Capture for PCI
Bt848/848A/849A
Brooktree
®
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