C8051F537-ITR Silicon Labs, C8051F537-ITR Datasheet - Page 4
![no-image](/images/no-image-200.jpg)
C8051F537-ITR
Manufacturer Part Number
C8051F537-ITR
Description
8-bit Microcontrollers - MCU 2KB 12ADC 125C 20Pin MCU
Manufacturer
Silicon Labs
Datasheet
1.C8051F536-ITR.pdf
(220 pages)
Specifications of C8051F537-ITR
Product Category
8-bit Microcontrollers - MCU
Rohs
yes
Core
8051
Data Bus Width
8 bit
Maximum Clock Frequency
25 MHz
Program Memory Size
2 KB
Data Ram Size
256 B
On-chip Adc
Yes
Package / Case
TSSOP-20
Mounting Style
SMD/SMT
A/d Bit Size
12 bit
A/d Channels Available
16
Interface Type
SPI, UART
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 40 C
Number Of Programmable I/os
16
Number Of Timers
3
On-chip Dac
No
Processor Series
C8051
Program Memory Type
Flash
Factory Pack Quantity
2500
Supply Voltage - Max
2.7 V, 5.25 V
Supply Voltage - Min
2 V, 2.7 V
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C8051F52x/F53x
9. Memory Organization and SFRs............................................................................. 92
10. Interrupt Handler.................................................................................................... 98
11. Reset Sources ...................................................................................................... 106
12. Flash Memory....................................................................................................... 113
13. Port Input/Output ................................................................................................. 120
14. Oscillators ............................................................................................................ 135
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 Monitors (VDDMON0 and VDDMON1) .................. 108
11.3. External Reset ............................................................................................... 110
11.4. Missing Clock Detector Reset ....................................................................... 110
11.5. Comparator Reset ......................................................................................... 110
11.6. PCA Watchdog Timer Reset ......................................................................... 110
11.7. Flash Error Reset .......................................................................................... 110
11.8. Software Reset .............................................................................................. 111
12.1. Programming The Flash Memory .................................................................. 113
12.2. Flash Write and Erase Guidelines ................................................................. 115
12.3. Non-volatile Data Storage ............................................................................. 117
12.4. Security Options ............................................................................................ 117
13.1. Priority Crossbar Decoder ............................................................................. 122
13.2. Port I/O Initialization ...................................................................................... 126
13.3. General Purpose Port I/O .............................................................................. 128
14.1. Programmable Internal Oscillator .................................................................. 135
14.2. External Oscillator Drive Circuit..................................................................... 139
8.3.2. Stop Mode................................................................................................. 90
8.3.3. Suspend Mode .......................................................................................... 90
11.2.1. VDD Monitor Thresholds and Minimum VDD........................................ 108
12.1.1. Flash Lock and Key Functions .............................................................. 113
12.1.2. Flash Erase Procedure ......................................................................... 114
12.1.3. Flash Write Procedure .......................................................................... 114
12.2.1. V
12.2.2. PSWE Maintenance .............................................................................. 115
12.2.3. System Clock ........................................................................................ 116
14.1.1. Internal Oscillator Suspend Mode ......................................................... 136
14.2.1. Clocking Timers Directly Through the External Oscillator..................... 139
DD
............................................................................................................ 93
Maintenance and the V
Rev. 1.4
DD
monitor ................................................ 115
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