tc3400 Microchip Technology Inc., tc3400 Datasheet - Page 8

• Manufacturer Part Number: tc3400
• Description: +1.8v, Low Power, 16-bit Sigma-delta A/d Converter
• Manufacturer: Microchip Technology Inc.

TC3400
FIGURE 3-4:
DS21409B-page 8
Channel Address (if applicable).
No
No
No
Start CONVCLK (= 0),
(m = 16), Latch Input
Power Up Analog,
Start Conversion,
Resolution = 2m
Resolution by 1-bit
SDAT = High
A/D OPERATIONAL FLOWCHART
Hgh to Low?
SDAT = Low
High to Low?
SDAT = High
Low to High
CONVCLK
(m = m – 1);
Reduce A/D
Resolution
transition?
Sleep
SCLK
POR
> 2
SCLK
SCLK
< 2
A/D
10
9
Yes
Yes
Yes
Yes
Yes
?
?
No
No
Conversion Complete,
(Conversion Done?)
Power Down Analog,
CONVCLK = 2m?
SDAT = Low
SDAT = High
Internal Reset
High to Low?
SDAT = High
SDAT = Dm;
m = m – 1
m ≥ 0?
SCLK
Sleep
Yes
©
Yes
No
2002 Microchip Technology Inc.
No
Yes
No