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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AS7000 датащи(PDF) 72 Page - ams AG |
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AS7000 датащи(HTML) 72 Page - ams AG |
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72 / 92 page  Page 72 ams Datasheet Document Feedback [v1-12] 2018-Feb-26 AS7000 − Detailed Description I²C Mode The AS7000 includes an I²C master and slave (independent) hardware block. The pins name SDA and SCL in this section can be mapped during runtime to the GPIO pins according to Figure 89. ams SDK operates the I²C slave on GPIO2 (=SDA) and GPIO3 (=SCL) and uses a default I²C address of 0x30 (7-bit format; R/W bit has to be added) respectively 60h (8-bit format for writing) and 61h (8-bit format for reading). It expects external pullup resistors. I²C Serial Control Interface I²C Feature List: Fast mode (400kHz) and standard mode (100kHz) support 7+1-bit addressing mode Write formats: Single-Byte-Write, Page-Write Read formats: Current-Address-Read, Random-Read, Sequential-Read SDA input delay and SCL spike filtering by integrated RC-components I²C Protocol Figure 91: I²C Symbol Definition I²C Symbol Definition: Shows the symbols used in the following mode descriptions. Symbol Definition RW Note S Start condition after stop R 1 bit Sr Repeated start R 1 bit DW Device address for write R 0110 0000b (60h) DR Device address for read R 0110 0001b (61h) WA Word address R 8 bit A Acknowledge W 1 bit N No Acknowledge R 1 bit reg_data Register data/write R 8 bit data (n) Register data/read W 8 bit P Stop condition R 1 bit WA++ Increment word address internally R During acknowledge |
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