C8051F343-GM Silicon Laboratories Inc, C8051F343-GM Datasheet - Page 61
![IC 8051 MCU 32K FLASH MEM 32-QFN](/photos/12/27/122777/c8051f343-gm_sml.jpg)
C8051F343-GM
Manufacturer Part Number
C8051F343-GM
Description
IC 8051 MCU 32K FLASH MEM 32-QFN
Manufacturer
Silicon Laboratories Inc
Series
C8051F34xr
Datasheet
1.C8051F349-GQ.pdf
(276 pages)
Specifications of C8051F343-GM
Program Memory Type
FLASH
Program Memory Size
32KB (32K x 8)
Package / Case
32-QFN
Core Processor
8051
Core Size
8-Bit
Speed
48MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
25
Ram Size
2.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 21x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
C8051F3x
Core
8051
Data Bus Width
8 bit
Data Ram Size
2304 B
Interface Type
I2C, SPI, UART
Maximum Clock Frequency
48 MHz
Number Of Programmable I/os
25
Number Of Timers
4
Operating Supply Voltage
2.7 V to 5.25 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
KSK-SL-F34X, KSK-SL-TOOLSTICK, PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051F340DK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
336-1748 - ADAPTER TOOLSTICK FOR C8051F34X770-1006 - ISP 4PORT FOR SILABS C8051F MCU
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1346-5
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F343-GM
Manufacturer:
Silicon Labs
Quantity:
135
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Comparator hysteresis is programmed using Bits3-0 in the Comparator Control Register CPTnCN (shown
in SFR Definition 7.1 and SFR Definition 7.4). The amount of negative hysteresis voltage is determined by
the settings of the CPnHYN bits. As shown in Figure 7.2, various levels of negative hysteresis can be
programmed, or negative hysteresis can be disabled. In a similar way, the amount of positive hysteresis is
determined by the setting the CPnHYP bits.
Comparator interrupts can be generated on both rising-edge and falling-edge output transitions. (For Inter-
rupt enable and priority control, see
to ‘1’ upon a Comparator falling-edge, and the CPnRIF flag is set to ‘1’ upon the Comparator rising-edge.
Once set, these bits remain set until cleared by software. The output state of the Comparator can be
obtained at any time by reading the CPnOUT bit. The Comparator is enabled by setting the CPnEN bit to
‘1’, and is disabled by clearing this bit to ‘0’.
(Programmed with CP0HYP Bits)
Positive Hysteresis Voltage
INPUTS
OUTPUT
VIN+
VIN-
CIRCUIT CONFIGURATION
Positive Hysteresis
CP0-
CP0+
VIN+
VIN-
Disabled
V
OL
Figure 7.2. Comparator Hysteresis Plot
C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D
V
OH
+
_
CP0
Section “9.3. Interrupt Handler” on page
Positive Hysteresis
Maximum
OUT
Rev. 1.3
Negative Hysteresis
Disabled
Negative Hysteresis
(Programmed by CP0HYN Bits)
Maximum
Negative Hysteresis Voltage
88.) The CPnFIF flag is set
61
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