C8051T635-GM Silicon Laboratories Inc, C8051T635-GM Datasheet - Page 4

• Manufacturer Part Number: C8051T635-GM
• Description: IC MCU 2KB 20PIN QFN
• Manufacturer: Silicon Laboratories Inc
• Series: C8051T63xr

Specifications of C8051T635-GM

• Program Memory Type: OTP
• Program Memory Size: 2KB (2K x 8)
• Package / Case: 20-QFN
• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 17
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: C8051T6x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 768 B
• Interface Type: I2C/SPI/UART
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 17
• Number Of Timers: 4
• Operating Supply Voltage: 1.8 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: C8051T630DK
• Minimum Operating Temperature: - 40 C
• Package: 20QFN EP
• Device Core: 8051
• Family Name: C8051T63x
• Maximum Speed: 25 MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 336-1464 - KIT DEV FOR C8051T630 FAMILY
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1463-5

C8051T630/1/2/3/4/5
15. Interrupts ................................................................................................................ 80
16. EPROM Memory ..................................................................................................... 89
17. Power Management Modes................................................................................... 92
18. Reset Sources ........................................................................................................ 95
19. Oscillators and Clock Selection ......................................................................... 101
20. Port Input/Output ................................................................................................. 109
4
15.1. MCU Interrupt Sources and Vectors................................................................ 81
15.2. Interrupt Register Descriptions ........................................................................ 82
15.3. INT0 and INT1 External Interrupts................................................................... 87
16.1. Programming and Reading the EPROM Memory ........................................... 89
16.2. Security Options .............................................................................................. 90
16.3. Program Memory CRC .................................................................................... 91
17.1. Idle Mode......................................................................................................... 92
17.2. Stop Mode ....................................................................................................... 93
17.3. Suspend Mode ................................................................................................ 93
18.1. Power-On Reset .............................................................................................. 96
18.2. Power-Fail Reset/VDD Monitor ....................................................................... 97
18.3. External Reset ................................................................................................. 98
18.4. Missing Clock Detector Reset ......................................................................... 98
18.5. Comparator0 Reset ......................................................................................... 99
18.6. PCA Watchdog Timer Reset ........................................................................... 99
18.7. EPROM Error Reset ........................................................................................ 99
18.8. Software Reset ................................................................................................ 99
19.1. System Clock Selection................................................................................. 101
19.2. Programmable Internal High-Frequency (H-F) Oscillator .............................. 103
19.3. Programmable Internal Low-Frequency (L-F) Oscillator ............................... 105
19.4. External Oscillator Drive Circuit..................................................................... 106
20.1. Port I/O Modes of Operation.......................................................................... 110
20.2. Assigning Port I/O Pins to Analog and Digital Functions............................... 112
15.1.1. Interrupt Priorities.................................................................................... 81
15.1.2. Interrupt Latency ..................................................................................... 81
16.1.1. EPROM Write Procedure ........................................................................ 89
16.1.2. EPROM Read Procedure........................................................................ 90
16.3.1. Performing 32-bit CRCs on Full EPROM Content .................................. 91
16.3.2. Performing 16-bit CRCs on 256-Byte EPROM Blocks............................ 91
19.2.1. Internal Oscillator Suspend Mode ......................................................... 103
19.3.1. Calibrating the Internal L-F Oscillator.................................................... 105
19.4.1. External RC Example............................................................................ 108
19.4.2. External Capacitor Example.................................................................. 108
20.1.1. Port Pins Configured for Analog I/O...................................................... 110
20.1.2. Port Pins Configured For Digital I/O...................................................... 110
20.1.3. Interfacing Port I/O to 5V Logic ............................................................. 111
20.2.1. Assigning Port I/O Pins to Analog Functions ........................................ 112
20.2.2. Assigning Port I/O Pins to Digital Functions.......................................... 112
20.2.3. Assigning Port I/O Pins to External Digital Event Capture Functions ... 113
Rev. 1.0