C8051F709-GQR Silicon Labs, C8051F709-GQR Datasheet - Page 5

• Manufacturer Part Number: C8051F709-GQR
• Description: 8-bit Microcontrollers - MCU 8kB 32B EEPROM Cap Sense
• Manufacturer: Silicon Labs

Specifications of C8051F709-GQR

• Rohs: yes
• Core: 8051
• Processor Series: C8051
• Data Bus Width: 8 bit

23. EEPROM ............................................................................................................... 155
24. Power Management Modes................................................................................. 160
25. Reset Sources ...................................................................................................... 163
26. Watchdog Timer................................................................................................... 169
27. Oscillators and Clock Selection ......................................................................... 171
28. Port Input/Output ................................................................................................. 180
22.2. Non-volatile Data Storage ............................................................................. 149
22.3. Security Options ............................................................................................ 149
22.4. Flash Write and Erase Guidelines ................................................................. 150
23.1. RAM Reads and Writes ................................................................................. 155
23.2. Auto Increment .............................................................................................. 155
23.3. Interfacing with the EEPROM........................................................................ 155
23.4. EEPROM Security ......................................................................................... 156
24.1. Idle Mode....................................................................................................... 160
24.2. Stop Mode ..................................................................................................... 161
24.3. Suspend Mode .............................................................................................. 161
25.1. Power-On Reset ............................................................................................ 164
25.2. Power-Fail Reset / VDD Monitor ................................................................... 165
25.3. External Reset ............................................................................................... 166
25.4. Missing Clock Detector Reset ....................................................................... 166
25.5. Comparator0 Reset ....................................................................................... 167
25.6. Watchdog Timer Reset.................................................................................. 167
25.7. Flash Error Reset .......................................................................................... 167
25.8. Software Reset .............................................................................................. 167
26.1. Enable/Reset WDT........................................................................................ 169
26.2. Disable WDT ................................................................................................. 169
26.3. Disable WDT Lockout.................................................................................... 169
26.4. Setting WDT Interval ..................................................................................... 169
27.1. System Clock Selection................................................................................. 171
27.2. Programmable Internal High-Frequency (H-F) Oscillator .............................. 173
27.3. External Oscillator Drive Circuit..................................................................... 175
28.1. Port I/O Modes of Operation.......................................................................... 181
28.2. Assigning Port I/O Pins to Analog and Digital Functions............................... 182
22.1.2. Flash Erase Procedure ......................................................................... 148
22.1.3. Flash Write Procedure .......................................................................... 149
22.4.1. VDD Maintenance and the VDD Monitor .............................................. 151
22.4.2. PSWE Maintenance .............................................................................. 151
22.4.3. System Clock ........................................................................................ 152
27.3.1. External Crystal Example...................................................................... 177
27.3.2. External RC Example............................................................................ 178
27.3.3. External Capacitor Example.................................................................. 179
28.1.1. Port Pins Configured for Analog I/O...................................................... 181
28.1.2. Port Pins Configured For Digital I/O...................................................... 181
28.1.3. Interfacing Port I/O to 5 V Logic ............................................................ 182
28.1.4. Increasing Port I/O Drive Strength ........................................................ 182
Rev. 1.0
C8051F70x/71x
5