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ManualsBrandsMICROCHIP TECHNOLOGY ManualsInterface ICsInterface IC - I/O extensions POR I²C 3.4 MHz SSOP 20
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© 2009 Microchip Technology Inc. DS22121B-page 11
MCP23009/MCP23S09
FIGURE 1-4: FLASH ADC BLOCK DIAGRAM
analog_in
VDD
gnd
adc_en
adc_en
adc_en
adc_en
adc_en
adc_en
adc_en
addr_out[6]
addr_out[5]
addr_out[4]
addr_out[3]
addr_out[2]
addr_out[1]
addr_out[0]
en
d
q
addr[6:0]
set
d q
'0'
i2c_clk
adc_en
adc_en
adc_en
reset
i2c_addr[2:0]