C8051F321R Silicon Laboratories Inc, C8051F321R Datasheet - Page 9

• Manufacturer Part Number: C8051F321R
• Description: IC 8051 MCU 16K FLASH 28MLP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F32xr

Specifications of C8051F321R

• 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: -
• Other names: 336-1067-2

LIST OF FIGURES AND TABLES
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
Table 1.1.
Figure 1.1. C8051F320 Block Diagram.................................................................................18
Figure 1.2. C8051F321 Block Diagram.................................................................................19
Figure 1.3. Comparison of Peak MCU Execution Speeds.....................................................20
Figure 1.4. On-Chip Clock and Reset....................................................................................21
Figure 1.5. On-Board Memory Map ......................................................................................22
Figure 1.6. USB Controller Block Diagram ..........................................................................23
Figure 1.7. Development/In-System Debug Diagram ...........................................................24
Figure 1.8. Digital Crossbar Diagram....................................................................................25
Figure 1.9. PCA Block Diagram............................................................................................26
Figure 1.10. PCA Block Diagram............................................................................................26
Figure 1.11. 10-Bit ADC Block Diagram................................................................................27
Figure 1.12. Comparator0 Block Diagram ..............................................................................28
Table 2.1.
Table 3.1.
Table 4.1.
Figure 4.1. LQFP-32 Pinout Diagram (Top View)................................................................33
Figure 4.2. LQFP-32 Package Diagram.................................................................................34
Table 4.2.
Figure 4.3. MLP-28 Pinout Diagram (Top View) .................................................................35
Figure 4.4. MLP-28 Package Drawing ..................................................................................36
Table 4.3.
Figure 4.5. Typical MLP-28 Landing Diagram .....................................................................37
Figure 4.6. Typical MLP-28 Solder Mask .............................................................................38
Figure 5.1. ADC0 Functional Block Diagram .......................................................................39
Figure 5.2. Typical Temperature Sensor Transfer Function..................................................41
Figure 5.3. 10-Bit ADC Track and Conversion Example Timing.........................................43
Figure 5.4. ADC0 Equivalent Input Circuits .........................................................................44
Figure 5.5. AMX0P: AMUX0 Positive Channel Select Register..........................................45
Figure 5.6. AMX0N: AMUX0 Negative Channel Select Register........................................46
Figure 5.7. ADC0CF: ADC0 Configuration Register ...........................................................47
Figure 5.8. ADC0H: ADC0 Data Word MSB Register.........................................................47
Figure 5.9. ADC0L: ADC0 Data Word LSB Register ..........................................................48
Figure 5.10. ADC0CN: ADC0 Control Register .....................................................................49
Figure 5.11. ADC0GTH: ADC0 Greater-Than Data High Byte Register...............................50
Figure 5.12. ADC0GTL: ADC0 Greater-Than Data Low Byte Register ................................50
Figure 5.13. ADC0LTH: ADC0 Less-Than Data High Byte Register ....................................51
Figure 5.14. ADC0LTL: ADC0 Less-Than Data Low Byte Register .....................................51
Product Selection Guide ......................................................................................17
Absolute Maximum Ratings*..............................................................................29
Global DC Electrical Characteristics...................................................................30
Pin Definitions for the C8051F320/1 ..................................................................31
LQFP-32 Package Dimensions............................................................................34
MLP-28 Package Dimensions .............................................................................36
Rev. 1.1
C8051F320/1
9