HI5800(1999) Просмотр технического описания (PDF) - Intersil
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HI5800 Datasheet PDF : 15 Pages
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HI5800
Pin Descriptions (Continued)
PIN # SYMBOL
PIN DESCRIPTION
10
AVEE Analog Negative Power Supply, -5V.
11
AVCC Analog Positive Power Supply, +5V.
12
AGND Analog Ground.
13
AVEE Analog Negative Power Supply, -5V.
14
A0
Output Byte Control Input, active low. When low, data is presented as a 12-bit word or the upper byte (D11 - D4) in 8-bit
mode. When high, the second byte contains the lower LSBs (D3 - D0) with 4 trailing zeroes. See Text.
15
CS Chip Select Input, active low. Dominates all control inputs.
-
NC No Connection.
16
OE Output Enable Input, active low.
17
CONV Convert Start Input. Initiates conversion on the falling edge. If held low, continuous conversion mode overrides and
remains in effect until the input goes high.
18
DVEE Digital Negative Power Supply, -5V.
19
DGND Digital Ground.
20
DVCC Digital Positive Power Supply, +5V.
21
AVCC Analog Positive Power Supply, +5V.
22
D0
Data Bit 0, (LSB).
23
D1
Data Bit 1.
24
D2
Data Bit 2.
25
D3
Data Bit 3.
-
NC No Connection
26
D4
Data Bit 4.
27
D5
Data Bit 5.
28
D6
Data Bit 6.
29
D7
Data Bit 7.
30
AVEE Analog Negative Power Supply, -5V.
31
AGND Analog Ground.
32
DGND Digital Ground.
33
DVCC Digital Positive Power Supply, +5V.
34
D8
Data Bit 8.
35
D9
Data Bit 9.
-
NC No Connection.
36
D10 Data Bit 10.
37
D11 Data Bit 11 (MSB).
38
AVCC Analog Positive Power Supply, +5V.
39
OVF Overflow Output. Active high when either an overrange or underrange analog input condition is detected.
40
IRQ Interrupt ReQuest Output. Goes low when a conversion is complete.
9
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