C8051F317-GMR Silicon Laboratories Inc, C8051F317-GMR Datasheet - Page 34
C8051F317-GMR
Manufacturer Part Number
C8051F317-GMR
Description
MCU 8-Bit C8051F31x 8051 CISC 16KB Flash 3.3V 24-Pin QFN EP T/R
Manufacturer
Silicon Laboratories Inc
Datasheet
1.C8051F310-TB.pdf
(228 pages)
Specifications of C8051F317-GMR
Package
24QFN EP
Device Core
8051
Family Name
C8051F31x
Maximum Speed
25 MHz
Ram Size
1.25 KB
Program Memory Size
16 KB
Operating Supply Voltage
3.3 V
Data Bus Width
8 Bit
Program Memory Type
Flash
Number Of Programmable I/os
21
Interface Type
I2C/SMBus/SPI/UART
On-chip Adc
17-chx10-bit
Operating Temperature
-40 to 85 °C
Number Of Timers
4
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
C8051F317-GMR
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
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C8051F310/1/2/3/4/5/6/7
1.8.
C8051F31x devices include two on-chip voltage comparators that are enabled/disabled and configured 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 (asynchronous) 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 1.16 shows he Comparator0 block diagram.
34
CMX0N1
CMX0N0
CMX0P1
CMX0P0
Comparators
P1.0
P1.4
P2.0
P2.4
P1.1
P1.5
P2.1
P2.5
Figure 1.16. Comparator0 Block Diagram
CP0HYP1
CP0HYP0
CP0HYN1
CP0HYN0
CP0OUT
CP0RIF
CP0EN
CP0FIF
CP0 +
CP0 -
CP0MD1
CP0MD0
CP0RIE
CP0FIE
Rev. 1.7
+
-
GND
VDD
Decision
Reset
Tree
(SYNCHRONIZER)
D
SET
CLR
Q
Q
D
SET
CLR
Q
Q
Rising-edge
CP0
Crossbar
Interrupt
Logic
Falling-edge
Interrupt
CP0
CP0A
CP0
CP0
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