C8051F321-GM Silicon Laboratories Inc, C8051F321-GM Datasheet - Page 3

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

Specifications of C8051F321-GM

• Program Memory Type: FLASH
• Program Memory Size: 16KB (16K x 8)
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• 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
• 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
• Processor Series: C8051F3x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 2.25 KB
• Interface Type: I2C/SMBus/SPI/UART/USB
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 21
• Number Of Timers: 4
• Operating Supply Voltage: 2.7 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: C8051F320DK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 13-ch x 10-bit or 17-ch x 10-bit
• No. Of I/o's: 21
• Ram Memory Size: 1280Byte
• Cpu Speed: 25MHz
• No. Of Timers: 4
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 336-1480 - DAUGHTER CARD TOOLSTCK C8051F321770-1006 - ISP 4PORT FOR SILABS C8051F MCU336-1449 - ADAPTER PROGRAM TOOLSTICK F321336-1260 - DEV KIT FOR C8051F320/F321
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1261

Table of Contents
1. System Overview.................................................................................................... 15
2. Absolute Maximum Ratings .................................................................................. 27
3. Global Electrical Characteristics .......................................................................... 28
4. Pinout and Package Definitions............................................................................ 30
5. 10-Bit ADC (ADC0).................................................................................................. 39
6. Voltage Reference .................................................................................................. 55
7. Comparators ......................................................................................................... 57
8. Voltage Regulator (REG0)...................................................................................... 67
9. CIP-51 Microcontroller .......................................................................................... 71
1.1. CIP-51™ Microcontroller Core.......................................................................... 18
1.2. On-Chip Memory............................................................................................... 19
1.3. Universal Serial Bus Controller ......................................................................... 20
1.4. Voltage Regulator ............................................................................................. 21
1.5. On-Chip Debug Circuitry................................................................................... 21
1.6. Programmable Digital I/O and Crossbar ........................................................... 22
1.7. Serial Ports ....................................................................................................... 23
1.8. Programmable Counter Array ........................................................................... 23
1.9. 10-Bit Analog to Digital Converter..................................................................... 24
1.10.Comparators..................................................................................................... 25
5.1. Analog Multiplexer ............................................................................................ 40
5.2. Temperature Sensor ......................................................................................... 41
5.3. Modes of Operation .......................................................................................... 43
5.4. Programmable Window Detector ...................................................................... 50
8.1. Regulator Mode Selection................................................................................. 67
8.2. VBUS Detection ................................................................................................ 67
9.1. Instruction Set ................................................................................................... 72
9.2. Memory Organization........................................................................................ 77
1.1.1. Fully 8051 Compatible.............................................................................. 18
1.1.2. Improved Throughput ............................................................................... 18
1.1.3. Additional Features .................................................................................. 18
5.3.1. Starting a Conversion............................................................................... 43
5.3.2. Tracking Modes........................................................................................ 44
5.3.3. Settling Time Requirements ..................................................................... 45
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 ..................................................................... 72
9.1.2. MOVX Instruction and Program Memory ................................................. 73
9.2.1. Program Memory...................................................................................... 77
9.2.2. Data Memory............................................................................................ 78
9.2.3. General Purpose Registers ...................................................................... 78
9.2.4. Bit Addressable Locations........................................................................ 78
9.2.5. Stack ....................................................................................................... 78
9.2.6. Special Function Registers....................................................................... 79
Rev. 1.4
C8051F320/1
3