C8051T635-GM Silicon Laboratories Inc, C8051T635-GM Datasheet - Page 8

• 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
21. SMBus
22. UART0
23. Enhanced Serial Peripheral Interface (SPI0)
24. Timers
25. Programmable Counter Array
8
Figure 20.4. Crossbar Priority Decoder with Crystal Pins Skipped ....................... 115
Figure 21.1. SMBus Block Diagram ...................................................................... 127
Figure 21.2. Typical SMBus Configuration ............................................................ 128
Figure 21.3. SMBus Transaction ........................................................................... 129
Figure 21.4. Typical SMBus SCL Generation ........................................................ 131
Figure 21.5. Typical Master Write Sequence ........................................................ 140
Figure 21.6. Typical Master Read Sequence ........................................................ 141
Figure 21.7. Typical Slave Write Sequence .......................................................... 142
Figure 21.8. Typical Slave Read Sequence .......................................................... 143
Figure 22.1. UART0 Block Diagram ...................................................................... 148
Figure 22.2. UART0 Baud Rate Logic ................................................................... 149
Figure 22.3. UART Interconnect Diagram ............................................................. 150
Figure 22.4. 8-Bit UART Timing Diagram .............................................................. 150
Figure 22.5. 9-Bit UART Timing Diagram .............................................................. 151
Figure 22.6. UART Multi-Processor Mode Interconnect Diagram ......................... 152
Figure 23.1. SPI Block Diagram ............................................................................ 156
Figure 23.2. Multiple-Master Mode Connection Diagram ...................................... 158
Figure 23.3. 3-Wire Single Master and 3-Wire
Figure 23.4. 4-Wire Single Master Mode
Figure 23.5. Master Mode Data/Clock Timing ....................................................... 161
Figure 23.6. Slave Mode Data/Clock Timing (CKPHA = 0) ................................... 161
Figure 23.7. Slave Mode Data/Clock Timing (CKPHA = 1) ................................... 162
Figure 23.8. SPI Master Timing (CKPHA = 0) ....................................................... 166
Figure 23.9. SPI Master Timing (CKPHA = 1) ....................................................... 166
Figure 23.10. SPI Slave Timing (CKPHA = 0) ....................................................... 167
Figure 23.11. SPI Slave Timing (CKPHA = 1) ....................................................... 167
Figure 24.1. T0 Mode 0 Block Diagram ................................................................. 172
Figure 24.2. T0 Mode 2 Block Diagram ................................................................. 173
Figure 24.3. T0 Mode 3 Block Diagram ................................................................. 174
Figure 24.4. Timer 2 16-Bit Mode Block Diagram ................................................. 179
Figure 24.5. Timer 2 8-Bit Mode Block Diagram ................................................... 180
Figure 24.6. Timer 2 Low-Frequency Oscillation Capture Mode Block Diagram ... 181
Figure 24.7. Timer 3 16-Bit Mode Block Diagram ................................................. 185
Figure 24.8. Timer 3 8-Bit Mode Block Diagram ................................................... 186
Figure 24.9. Timer 3 Low-Frequency Oscillation Capture Mode Block Diagram ... 187
Figure 25.1. PCA Block Diagram ........................................................................... 191
Figure 25.2. PCA Counter/Timer Block Diagram ................................................... 192
Figure 25.3. PCA Interrupt Block Diagram ............................................................ 193
Single Slave Mode Connection Diagram .......................................... 159
and 4-Wire Slave Mode Connection Diagram ................................... 159
Rev. 1.0