GF9102A Просмотр технического описания (PDF) - Gennum -> Semtech
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GF9102A Datasheet PDF : 11 Pages
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Table 5: Output Rounding Control
RND2..0
000
001
010
011
100
101
110
111
100
110
101
SO13
Output
Output
0
0
0
0
0
0
1
1
1
No. of Output Bits
16
15
14
13
12
11
10
9
8
10
8
Description
Rounding to 16 bit
Rounding to 15 bit
Rounding to 14 bit
Rounding to 13 bit
Rounding to 12 bit
Rounding to 11 bit
Rounding to 10 bit
Rounding to 9 bit
Rounding to 8 bit
CCIR 601 10 bit data format4
CCIR 601 8 bit data format5
Notes
1
1
1
1
1
1
1
1
2
2
2
Notes: 1. This operating mode is compatible with TMC2242.
2. This is an enhanced operating mode of the GF9102A.
3. SO1, the second LSB of the output is a bi-directional pad with a large pull-down resistor. This pin does not have
to be connected. When this pin is not connected the GF9102A defaults to a mode compatible with the TMC2242.
4. CCIR 601 10 bit data format range from Hex 004 to 3FB.
.
5. CCIR 601 8 bit data format range from Hex 01 to FE.
Table 6: Extra Control Input Pins using the Four Least Significant Bi-directional Output Pads SO3..0
Conditions to allow
Control Inputs
RND ≠ 000
RND = 100
RND = 110
RND = 101
RND = 1XX
RND = 1XX
Output Pad1
SO0 = 1
SO1 = 1
SO1 = 1
SO1 = 1
SO2
SO3
Function
Unsigned input
8 bit output rounding
CCIR 601 10 bit data format
CCIR 601 8 bit data format
Reserved
Reserved
Notes
2
2
2
2
Notes:
1. SO3..0 pins are bi-directional with a large pull-down resistor. These pins do not have to be connected.
When these pins are not connected the GF9102A defaults to a mode compatible with the TMC2242.
2. This is an enhanced operating mode of the GF9102A.
521 - 26 - 02
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