C8051F531-IT Silicon Laboratories Inc, C8051F531-IT Datasheet - Page 3
![IC 8051 MCU 8K FLASH 20TSSOP](/photos/12/46/124608/silicon_laboratories_inc-20-tssop_sml.jpg)
C8051F531-IT
Manufacturer Part Number
C8051F531-IT
Description
IC 8051 MCU 8K FLASH 20TSSOP
Manufacturer
Silicon Laboratories Inc
Series
C8051F53xr
Specifications of C8051F531-IT
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
8KB (8K 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-TSSOP
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
336-1393
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F531-IT
Manufacturer:
SILICON
Quantity:
205
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
3