Datasheet

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SLUS491 – JULY 2001
2
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functional block diagram
RBI
SR1
Differential
Dynamically
Balanced VFC
SR2
Bandgap
Voltage
Reference
VCC
Temperature-
Compensated
Precision
Oscillator
VSS
Calibration and
Power Control
Timer
Temperature
Sensor
Counter
Control
Registers
System
I/O
and
Control
HDQ
Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME NO.
I/O
DESCRIPTION
NC 1 No connect. This pin must be left floating.
VCC 2 I Supply voltage
VSS 3 Ground
HDQ 4 I/O Single-wire HDQ interface
RBI 5 I Register backup input
SR1 6 I Current sense input 1
SR2 7 I Current sense input 2
NC 8 No connect. This pin must be left floating.