AAT4297ITP-T1 ANALOGICTECH [Advanced Analogic Technologies], AAT4297ITP-T1 Datasheet - Page 10

• Manufacturer Part Number: AAT4297ITP-T1
• Description: Single/Dual RGB Controller
• Manufacturer: ANALOGICTECH [Advanced Analogic Technologies]

The S
ing edges of the EN/SET pin to load the internal
register to a desired count. S
data after the EN/SET pin has been held high for
the preset latch enable time (T
records rising edges of the EN/SET pin and
decodes them into one of 8 states for the AAT4295
or to one of 64 states for the AAT4297, as indicat-
ed in Tables 1 and 2. The counter can be clocked
at speeds up to 1MHz, so different switch combi-
10
Clock OUT6 OUT5 OUT4 OUT3 OUT2 OUT1
10
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
11
1
2
3
4
5
6
7
8
9
2
Cwire interface relies on the number of ris-
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
AAT4297
on
on
on
on
on
on
on
on
off
off
off
off
off
off
off
off
on
on
on
on
on
on
on
on
off
off
off
off
off
off
off
off
2
Cwire control latches
LAT
on
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on
on
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on
on
on
on
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on
on
on
off
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off
). The interface
AAT4295 (only)
Table 2: Output Settings.
on
on
off
off
on
on
off
off
on
on
off
off
on
on
off
off
on
on
off
off
on
on
off
off
on
on
off
off
on
on
off
off
on
off
on
off
on
off
on
off
on
off
on
off
on
off
on
off
on
off
on
off
on
off
on
off
on
off
on
off
on
off
on
off
Clock
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
nations may be clocked in lighting applications
without any visible perception to the user.
Alternatively, the EN/SET clock pulses may be
entered one at a time for the desired setting. The
first rising edge of EN/SET enables the IC and
turns all the switches ON. Once the final clock
cycle is received, the EN/SET pin is held high to
maintain the device setting. The device is disabled
500µs (T
logic low state (see Figure 3).
OUT6 OUT5 OUT4 OUT3 OUT2 OUT1
off
off
off
off
off
off
off
off
off
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OFF
Single/Dual RGB Controller
) after the EN/SET pin transitions to a
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
AAT4297
on
on
on
on
on
on
on
on
off
off
off
off
off
off
off
off
on
on
on
on
on
on
on
on
off
off
off
off
off
off
off
off
AAT4295/97
on
on
on
on
off
off
off
off
on
on
on
on
off
off
off
off
on
on
on
on
off
off
off
off
on
on
on
on
off
off
off
off
on
on
off
off
on
on
off
off
on
on
off
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on
off
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on
off
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on
off
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off
4295.2006.03.1.3
on
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off