STV3550B STMicroelectronics, STV3550B Datasheet - Page 97

• Manufacturer Part Number: STV3550B
• Manufacturer: STMicroelectronics

Specifications of STV3550B

• Operating Temperature (min): 0C
• Operating Temperature (max): 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Lead Free Status / Rohs Status: Compliant

STV3550
7.6.1
7.6.2
Figure 62. ADC diagram
Main features
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General description
The ADC can be used to convert the analog signals from a single input channel in 1-channel
mode or from up to six input channels in scan mode.
Conversions can be started by software or by a falling edge on the external trigger pin.
Figure 63. ADC trigger source
10-bit resolution with a guaranteed accuracy of 6 bits
Up to six selectable analog inputs
Single conversion time: 4.75 µs @ f
Single / continuous / scan conversion modes
External source trigger
Analog watchdog on two threshold levels
One interrupt for end of conversion event or analog watchdog event
Ext. Trigger
Ext. Trigger Enable
Int. Trigger Enable
AD[0]
AD[1]
AD[2]
AD[3]
AD[4]
AD[5]
On-chip Event
ADC Trigger
Software Trigger
f
ADC
ADC
10-bit Upper Threshold Register
10-bit Lower Threshold Register
Channel Configuration Register
Eight 10-bit Data Registers
Compare Result Register
= 3.4 MHz (27/8 MHz )
Control Logic Register
Analog Watchdog Interrupt
End of Conversion Interrupt
Start Group of Conversions
Continuous or Single Mode
TV chassis control
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