MCP23009 Microchip Technology Inc., MCP23009 Datasheet - Page 11

• Manufacturer Part Number: MCP23009
• Description: 8-bit I/o Expander With Open-drain Outputs
• Manufacturer: Microchip Technology Inc.

FIGURE 1-4:
© 2008 Microchip Technology Inc.
analog_in
adc_en
FLASH ADC BLOCK DIAGRAM
V
gnd
DD
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]
MCP23009/MCP23S09
i2c_clk
adc_en
'0'
d
en
d
reset
set
q
q
adc_en
addr[6:0]
i2c_addr[2:0]
DS22121A-page 11