C8051F537-IM Silicon Laboratories Inc, C8051F537-IM Datasheet - Page 3

• 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

Table of Contents
1. System Overview ..................................................................................................... 13
2. Electrical Characteristics ........................................................................................ 25
3. Pinout and Package Definitions ............................................................................. 35
4. 12-Bit ADC (ADC0) ................................................................................................... 52
5. Voltage Reference.................................................................................................... 72
6. Voltage Regulator (REG0) ....................................................................................... 74
7. Comparator ............................................................................................................. 76
8. CIP-51 Microcontroller............................................................................................. 81
1.1. Ordering Information.......................................................................................... 14
1.2. CIP-51™ Microcontroller ................................................................................... 18
1.3. On-Chip Memory ............................................................................................... 20
1.4. Operating Modes ............................................................................................... 21
1.5. 12-Bit Analog to Digital Converter ..................................................................... 22
1.6. Programmable Comparator ............................................................................... 22
1.7. Voltage Regulator.............................................................................................. 23
1.8. Serial Port.......................................................................................................... 23
1.9. Port Input/Output ............................................................................................... 24
2.1. Absolute Maximum Ratings............................................................................... 25
2.2. Electrical Characteristics ................................................................................... 26
4.1. Analog Multiplexer ............................................................................................. 52
4.2. Temperature Sensor.......................................................................................... 53
4.3. ADC0 Operation ................................................................................................ 54
4.4. Selectable Gain ................................................................................................. 60
4.5. Programmable Window Detector....................................................................... 69
8.1. Instruction Set.................................................................................................... 82
8.2. Register Descriptions ........................................................................................ 86
8.3. Power Management Modes............................................................................... 89
1.2.1. Fully 8051 Compatible Instruction Set ...................................................... 18
1.2.2. Improved Throughput................................................................................ 18
1.2.3. Additional Features ................................................................................... 18
1.2.4. On-Chip Debug Circuitry ........................................................................... 18
4.3.1. Starting a Conversion................................................................................ 54
4.3.2. Tracking Modes......................................................................................... 54
4.3.3. Timing ....................................................................................................... 55
4.3.4. Burst Mode................................................................................................ 57
4.3.5. Output Conversion Code........................................................................... 59
4.3.6. Settling Time Requirements...................................................................... 60
4.4.1. Calculating the Gain Value........................................................................ 61
4.4.2. Setting the Gain Value .............................................................................. 62
4.5.1. Window Detector In Single-Ended Mode .................................................. 71
8.1.1. Instruction and CPU Timing ...................................................................... 82
8.1.2. MOVX Instruction and Program Memory .................................................. 83
8.3.1. Idle Mode .................................................................................................. 90
C8051F52x/F52xA/F53x/F53xA
Rev. 1.3
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