C8051F321 Silicon Laboratories Inc, C8051F321 Datasheet - Page 3

• Manufacturer Part Number: C8051F321
• Description: IC 8051 MCU 16K FLASH 28MLP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F32xr

Specifications of C8051F321

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 21
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 2.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 13x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

TABLE OF CONTENTS
1. SYSTEM OVERVIEW .........................................................................................................17
2. ABSOLUTE MAXIMUM RATINGS ..................................................................................29
3. GLOBAL DC ELECTRICAL CHARACTERISTICS ......................................................30
4. PINOUT AND PACKAGE DEFINITIONS........................................................................31
5. 10-BIT ADC (ADC0) .............................................................................................................39
6. VOLTAGE REFERENCE....................................................................................................55
7. COMPARATORS ................................................................................................................57
8. VOLTAGE REGULATOR (REG0) ....................................................................................67
9. CIP-51 MICROCONTROLLER .........................................................................................73
1.1. CIP-51™ Microcontroller Core ......................................................................................20
1.2. On-Chip Memory ............................................................................................................22
1.3. Universal Serial Bus Controller.......................................................................................23
1.4. Voltage Regulator............................................................................................................23
1.5. On-Chip Debug Circuitry ................................................................................................24
1.6. Programmable Digital I/O and Crossbar .........................................................................25
1.7. Serial Ports.......................................................................................................................25
1.8. Programmable Counter Array .........................................................................................26
1.9. 10-Bit Analog to Digital Converter.................................................................................27
1.10.Comparators ....................................................................................................................28
5.1. Analog Multiplexer .........................................................................................................40
5.2. Temperature Sensor.........................................................................................................41
5.3. Modes of Operation.........................................................................................................42
5.4. Programmable Window Detector ....................................................................................50
8.1. Regulator Mode Selection ...............................................................................................68
8.2. VBUS Detection..............................................................................................................69
9.1. Instruction Set..................................................................................................................75
9.2. Memory Organization .....................................................................................................79
1.1.1. Fully 8051 Compatible ..........................................................................................20
1.1.2. Improved Throughput ............................................................................................20
1.1.3. Additional Features................................................................................................21
5.3.1. Starting a Conversion.............................................................................................42
5.3.2. Tracking Modes .....................................................................................................43
5.3.3. Settling Time Requirements ..................................................................................44
5.4.1. Window Detector In Single-Ended Mode .............................................................52
5.4.2. Window Detector In Differential Mode.................................................................53
9.1.1. Instruction and CPU Timing..................................................................................75
9.1.2. MOVX Instruction and Program Memory.............................................................75
9.2.1. Program Memory ...................................................................................................79
9.2.2. Data Memory .........................................................................................................80
9.2.3. General Purpose Registers .....................................................................................80
9.2.4. Bit Addressable Locations .....................................................................................80
9.2.5. Stack ...................................................................................................................80
9.2.6. Special Function Registers.....................................................................................81
Rev. 1.1
C8051F320/1
3