C8051F321 Silicon Laboratories Inc, C8051F321 Datasheet - Page 3
C8051F321
Manufacturer Part Number
C8051F321
Description
IC 8051 MCU 16K FLASH 28MLP
Manufacturer
Silicon Laboratories Inc
Series
C8051F32xr
Datasheet
1.C8051F320R.pdf
(256 pages)
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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F321
Manufacturer:
SILICON
Quantity:
249
Part Number:
C8051F321
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
Company:
Part Number:
C8051F321-GM
Manufacturer:
SiliconL
Quantity:
4 364
Part Number:
C8051F321-GM
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
Part Number:
C8051F321-GMR
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
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