C8051F819-GM Silicon Laboratories Inc, C8051F819-GM Datasheet - Page 70

• Manufacturer Part Number: C8051F819-GM
• Description: IC MCU 8BIT 8KB FLASH 20QFN
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F81xr

Specifications of C8051F819-GM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: Cap Sense, POR, PWM, 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
• 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
• Package: 20QFN EP
• Device Core: 8051
• Family Name: C8051F8xx
• Maximum Speed: 25 MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details
• Other names: 336-1799-5

C8051F80x-83x
SFR Definition 12.3. CPT0MX: Comparator0 MUX Selection
SFR Address = 0x9F
70
Name
Reset
Bit
7:4 CMX0N[3:0] Comparator0 Negative Input MUX Selection.
3:0
Type
Bit
CMX0P[3:0] Comparator0 Positive Input MUX Selection.
Name
7
1
0000
0001
0010
0100
0101
0110
0111
1000
1001–1111 No input selected.
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001–1111 No input selected.
0011
6
1
CMX0N[3:0]
R/W
20-Pin and 24-Pin Devices
P0.1
P0.3
P0.5
P0.7
P1.1
P1.3
P1.5
P1.7
VREG Output.
20-Pin and 24-Pin Devices
P0.0
P0.2
P0.4
P0.6
P1.0
P1.2
P1.4
P1.6
VREG Output.
5
1
Rev. 1.0
4
1
Function
3
1
16-Pin Devices
P0.1
P0.3
P0.5
P0.7
P1.1
P1.3
Reserved.
Reserved.
VREG Output.
No input selected.
16-Pin Devices
P0.0
P0.2
P0.4
P0.6
P1.0
P1.2
Reserved.
Reserved.
VREG Output.
No input selected.
2
1
CMX0P[3:0]
R/W
1
1
0
1