參數(shù)資料
型號(hào): TC7135C/LI
元件分類(lèi): ADC
英文描述: 1-CH 4-BIT DUAL-SLOPE ADC, PARALLEL ACCESS, PQCC28
封裝: PLASTIC, LCC-28
文件頁(yè)數(shù): 28/28頁(yè)
文件大?。?/td> 443K
代理商: TC7135C/LI
2007 Microchip Technology Inc.
DS21460D-page 9
TC7135
5.0
DIGITAL SECTION
FUNCTIONAL DESCRIPTION
The major digital subsystems within the TC7135 are
illustrated in Figure 5-1, with timing relationships
shown in Figure 5-2. The multiplexed BCD output data
can be displayed on LCD or LED displays. The digital
section is best described through a discussion of the
control signals and data outputs.
FIGURE 5-1:
Digital Section Functional Diagram.
Latch
Counters
Control Logic
Multiplexer
Polarity
D5
D4
D3
D2
D1
13 B1
14 B2
15 B4
16 B8
Polarity
FF
MSB
Digit
Drive
Signal
LSB
Data
Output
24
22
25
27
28
26
21
DGND
Clock
In
RUN/
HOLD
Overrange
STROBE
Busy
Underrange
Zero
Cross
Detect
From
Analog
Section
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