C8051F131R Silicon Labs, C8051F131R Datasheet - Page 125

• Manufacturer Part Number: C8051F131R
• Description: 8-bit Microcontrollers - MCU 128kB 100MIPS 8448B RAM
• Manufacturer: Silicon Labs

Specifications of C8051F131R

• Product Category: 8-bit Microcontrollers - MCU
• Core: 8051
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 100 MHz
• Program Memory Size: 128 KB
• Data Ram Size: 8.25 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 2.7 V to 3.6 V
• Package / Case: TQFP-64
• Mounting Style: SMD/SMT
• A/d Bit Size: 10 bit
• A/d Channels Available: 9
• Data Rom Size: 64 KB
• Interface Type: I2C, SMBus, SPI, UART
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 32
• Number Of Timers: 16 bit
• Processor Series: C8051
• Program Memory Type: Flash
• Factory Pack Quantity: 500
• Supply Voltage - Max: 3.6 V
• Supply Voltage - Min: 3 V

Bits7–6: UNUSED. Read = 00b, Write = don’t care.
Bit 5:
Bit 4:
Bits3–2: UNUSED. Read = 00b, Write = don’t care.
Bits1–0: CP1MD1–CP1MD0: Comparator1 Mode Select
SFR Page:
SFR Address:
R/W
Bit7
-
CP1RIE: Comparator 1 Rising-Edge Interrupt Enable Bit.
0: Comparator 1 rising-edge interrupt disabled.
1: Comparator 1 rising-edge interrupt enabled.
CP1FIE: Comparator 0 Falling-Edge Interrupt Enable Bit.
0: Comparator 1 falling-edge interrupt disabled.
1: Comparator 1 falling-edge interrupt enabled.
These bits select the response time for Comparator1.
2
0x89
SFR Definition 10.4. CPT1MD: Comparator1 Mode Selection
Mode
R/W
Bit6
0
1
2
3
-
CP1RIE
CP0MD1
R/W
Bit5
0
0
1
1
CP1FIE
CP0MD0
R/W
Bit4
0
1
0
1
Rev. 1.4
Lowest Power Consumption
R/W
Bit3
-
Fastest Response Time
C8051F120/1/2/3/4/5/6/7
Notes
R/W
Bit2
—
—
-
C8051F130/1/2/3
CP1MD1 CP1MD0 00000010
R/W
Bit1
R/W
Bit0
Reset Value
125