C8051F330-TB Silicon Laboratories Inc, C8051F330-TB Datasheet - Page 27
C8051F330-TB
Manufacturer Part Number
C8051F330-TB
Description
BOARD PROTOTYPING W/C8051F330
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Specifications of C8051F330-TB
Contents
Board
Processor To Be Evaluated
C8051F33x
Interface Type
RS-232, UART
Operating Supply Voltage
7 V to 15 V
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
C8051F330
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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1.8.
C8051F330/1/2/3/4/5 devices include an on-chip voltage comparator that is enabled/disabled and config-
ured via user software. Port I/O pins may be configured as comparator inputs via a selection mux. Two
comparator outputs may be routed to a Port pin if desired: a latched output and/or an unlatched (asynchro-
nous) output. Comparator response time is programmable, allowing the user to select between high-speed
and low-power modes. Positive and negative hysteresis are also configurable.
Comparator interrupts may be generated on rising, falling, or both edges. When in IDLE mode, these inter-
rupts may be used as a “wake-up” source. Comparator0 may also be configured as a reset source.
Figure 1.15 shows the Comparator0 block diagram.
Comparators
CMX0N3
CMX0N2
CMX0N1
CMX0N0
CMX0P3
CMX0P2
CMX0P1
CMX0P0
P0.0
P0.2
P0.4
P0.6
P1.0
P1.2
P1.4
P1.6
P0.1
P0.3
P0.5
P0.7
P1.1
P1.3
P1.5
P1.7
Figure 1.15. Comparator0 Block Diagram
CP0HYP1
CP0HYP0
CP0HYN1
CP0HYN0
CP0OUT
CP0RIF
CP0FIF
CP0EN
CP0 +
CP0 -
CP0MD1
CP0MD0
CP0RIE
CP0FIE
Rev. 1.7
+
-
VDD
GND
CP0RIF
CP0FIF
Decision
Reset
Tree
C8051F330/1/2/3/4/5
(SYNCHRONIZER)
D
SET
CLR
Q
Q
0
1
0
1
D
SET
CLR
Q
Q
CP0EN
Crossbar
0
1
EA
0
1
CP0A
Interrupt
CP0
CP0
29
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