C8051F537-IM Silicon Laboratories Inc, C8051F537-IM Datasheet - Page 79

• Manufacturer Part Number: C8051F537-IM
• Description: IC 8051 MCU 2K FLASH 20QFN
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F53xr

Specifications of C8051F537-IM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 16
• Program Memory Size: 2KB (2K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.25 V
• Data Converters: A/D 16x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 20-QFN
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: SPI, UART
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 16
• Number Of Timers: 3
• Operating Supply Voltage: 2.7 V to 5.25 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 12 bit, 16 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details
• Other names: 336-1400

SFR Definition 7.2. CPT0MX: Comparator0 MUX Selection
Note: Available only on the C8051F53x/53xA devices
Note: Available only on the C8051F53x/53xA devices.
Bits7–4: CMX0N3–CMX0N0: Comparator0 Negative Input MUX Select.
Bits1–0: CMX0P3–CMX0P0: Comparator0 Positive Input MUX Select.
CMX0N3 CMX0N2 CMX0N1 CMX0N0 CMX0P3 CMX0P2 CMX0P1 CMX0P0
R/W
Bit7
These bits select which Port pin is used as the Comparator0 negative input.
These bits select which Port pin is used as the Comparator0 positive input.
CMX0N3 CMX0N2 CMX0N1 CMX0N0
CMX0P3 CMX0P2 CMX0P1 CMX0P0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R/W
Bit6
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
R/W
Bit5
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
C8051F52x/F52xA/F53x/F53xA
R/W
Bit4
Rev. 1.3
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
R/W
Bit3
Negative Input
Positive Input
P0.7*
P1.1*
P1.3*
P1.5*
P1.7*
P0.6*
P1.0*
P1.2*
P1.4*
P1.6*
R/W
P0.1
P0.3
P0.5
P0.0
P0.2
P0.4
Bit2
R/W
Bit1
R/W
Bit0
SFR Address:
Reset Value
01110111
0x9F
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