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CS1112 bảng dữ liệu(PDF) 5 Page - ON Semiconductor |
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CS1112 bảng dữ liệu(HTML) 5 Page - ON Semiconductor |
5 / 12 page CS1112 http://onsemi.com 5 PACKAGE PIN DESCRIPTION (continued) PACKAGE PIN # FUNCTION PIN SYMBOL 24 Lead SOIC FUNCTION PIN SYMBOL 15 OUT2 Open drain output three. 16 IN2 Parallel input three. 21 IN3 Parallel input four. 22 OUT3 Open drain output four. 23 STATUS Open drain output, which is asserted when an open load or overcurrent condition occurs at any of the outputs. 24 ROSC 82 k Ω resistor tied to ground to set up accurate internal cur- rent sources. CIRCUIT DESCRIPTION Typical Operation Control of the CS1112 can be done using the Serial Peripheral Interface (SPI) port using the Data Input information in Table 1, or the outputs can be controlled via the parallel inputs (IN0, IN1, IN2, IN3). IN0 controls OUT0, IN1 controls OUT1, IN2 controls OUT2, and IN3 controls OUT3. Turning the output drivers on is an OR function with the SPI input and the parallel inputs. Note: To prevent damage to the IC or the output load, VDD must be above the Power on Reset threshold (3.5 V) before IN0, IN1, IN2, or IN3 are asserted high (< 70% VDD). OUT0 OUT1 OUT2 OUT3 Time SI SCLK CS Don’t Care TIMING DIAGRAM Table 1. SPI Inputs D7 D6 D5 D4 D3 D2 D1 D0 X X X X OUT3 OUT2 OUT1 OUT0 MSB LSB X = Don’t Care; MSB is Transferred first. |
Số phần tương tự - CS1112 |
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Mô tả tương tự - CS1112 |
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