C8051F521A-IM Silicon Laboratories Inc, C8051F521A-IM Datasheet - Page 4

• Manufacturer Part Number: C8051F521A-IM
• Description: IC 8051 MCU 8K FLASH 10DFN
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F52xr

Specifications of C8051F521A-IM

• Program Memory Type: FLASH
• Program Memory Size: 8KB (8K x 8)
• Package / Case: 10-DFN
• 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: 6
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.25 V
• Data Converters: A/D 6x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Processor Series: C8051F5x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: SPI/UART
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 6
• Number Of Timers: 3
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: C8051F500DK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 6-ch x 12-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 336-1488 - KIT DEV C8051F53XA, C8051F52XA770-1006 - ISP 4PORT FOR SILABS C8051F MCU336-1455 - ADAPTER PROGRAM TOOLSTICK F520
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1490-5

C8051F52x/F52xA/F53x/F53xA
9. Memory Organization and SFRs............................................................................. 92
10. Interrupt Handler.................................................................................................... 98
11. Reset Sources ...................................................................................................... 106
12. Flash Memory....................................................................................................... 112
13. Port Input/Output ................................................................................................. 119
14. Oscillators ............................................................................................................ 134
4
9.1. Program Memory............................................................................................... 92
9.2. Data Memory ..................................................................................................... 93
9.3. General Purpose Registers ............................................................................... 93
9.4. Bit Addressable Locations ................................................................................. 93
9.5. Stack
9.6. Special Function Registers................................................................................ 93
10.1. MCU Interrupt Sources and Vectors................................................................ 98
10.2. Interrupt Priorities ............................................................................................ 98
10.3. Interrupt Latency.............................................................................................. 98
10.4. Interrupt Register Descriptions ...................................................................... 100
10.5. External Interrupts ......................................................................................... 104
11.1. Power-On Reset ............................................................................................ 107
11.2. Power-Fail Reset / VDD Monitor ................................................................... 107
11.3. External Reset ............................................................................................... 109
11.4. Missing Clock Detector Reset ....................................................................... 109
11.5. Comparator Reset ......................................................................................... 109
11.6. PCA Watchdog Timer Reset ......................................................................... 110
11.7. Flash Error Reset .......................................................................................... 110
11.8. Software Reset .............................................................................................. 110
12.1. Programming The Flash Memory .................................................................. 112
12.2. Flash Write and Erase Guidelines ................................................................. 114
12.3. Non-volatile Data Storage ............................................................................. 116
12.4. Security Options ............................................................................................ 116
13.1. Priority Crossbar Decoder ............................................................................. 121
13.2. Port I/O Initialization ...................................................................................... 125
13.3. General Purpose Port I/O .............................................................................. 127
14.1. Programmable Internal Oscillator .................................................................. 134
14.2. External Oscillator Drive Circuit..................................................................... 138
8.3.2. Stop Mode................................................................................................. 90
8.3.3. Suspend Mode .......................................................................................... 90
12.1.1. Flash Lock and Key Functions .............................................................. 112
12.1.2. Flash Erase Procedure ......................................................................... 113
12.1.3. Flash Write Procedure .......................................................................... 113
12.2.1. V
12.2.2. PSWE Maintenance .............................................................................. 114
12.2.3. System Clock ........................................................................................ 115
14.1.1. Internal Oscillator Suspend Mode ......................................................... 135
14.2.1. Clocking Timers Directly Through the External Oscillator..................... 138
14.2.2. External Crystal Example...................................................................... 138
DD
............................................................................................................ 93
Maintenance and the V
Rev. 1.3
DD
monitor ................................................ 114