C8051F813-GM Silicon Laboratories Inc, C8051F813-GM Datasheet - Page 69
C8051F813-GM
Manufacturer Part Number
C8051F813-GM
Description
IC MCU 8BIT 8KB FLASH 20QFN
Manufacturer
Silicon Laboratories Inc
Series
C8051F81xr
Datasheet
1.C8051F800DK.pdf
(250 pages)
Specifications of C8051F813-GM
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
Cap Sense, POR, PWM, Temp Sensor, WDT
Number Of I /o
17
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-QFN
Processor Series
C8051F8x
Core
8051
Data Bus Width
16 bit
Data Ram Size
512 B
Interface Type
I2C, SPI, UART
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
17
Number Of Timers
3
Operating Supply Voltage
1.8 V to 3.6 V
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051F800DK
Minimum Operating Temperature
- 55 C
On-chip Adc
10 bit, 16 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Other names
336-1786-5
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12.1. Comparator Multiplexer
C8051F80x-83x devices include an analog input multiplexer to connect Port I/O pins to the comparator
inputs. The Comparator0 inputs are selected in the CPT0MX register (SFR Definition 12.3). The CMX0P3–
CMX0P0 bits select the Comparator0 positive input; the CMX0N3–CMX0N0 bits select the Comparator0
negative input. Important Note About Comparator Inputs: The Port pins selected as comparator inputs
should be configured as analog inputs in their associated Port configuration register, and configured to be
skipped by the Crossbar (for details on Port configuration, see Section “23.6. Special Function Registers
for Accessing and Configuring Port I/O” on page 152).
VREG Output
VREG Output
Figure 12.3. Comparator Input Multiplexer Block Diagram
P1.0
P1.2
P1.4
P1.6
P1.1
P1.3
P1.5
P1.7
P0.0
P0.2
P0.4
P0.6
P0.1
P0.3
P0.5
P0.7
CPT0MX
Rev. 1.0
CP0 +
CP0 -
Note: P1.4-P1.7
are not available
on the 16-pin
packages.
+
-
C8051F80x-83x
VDD
GND
69
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