C8051T622-GMR Silicon Labs, C8051T622-GMR Datasheet - Page 4

• Manufacturer Part Number: C8051T622-GMR
• Description: 8-bit Microcontrollers - MCU USB-OTP-16K-QFN24
• Manufacturer: Silicon Labs

Specifications of C8051T622-GMR

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

C8051T622/3 and C8051T326/7
14. Power Management Modes................................................................................... 77
15. Reset Sources ........................................................................................................ 80
16. Oscillators and Clock Selection ........................................................................... 86
17. Port Input/Output ................................................................................................... 97
18. Universal Serial Bus Controller (USB0) ............................................................. 116
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13.4. Program Memory CRC .................................................................................... 74
14.1. Idle Mode......................................................................................................... 77
14.2. Stop Mode ....................................................................................................... 78
14.3. Suspend Mode ................................................................................................ 78
15.1. Power-On Reset .............................................................................................. 81
15.2. Power-Fail Reset/VDD Monitor ....................................................................... 82
15.3. External Reset ................................................................................................. 83
15.4. Missing Clock Detector Reset ......................................................................... 83
15.5. PCA Watchdog Timer Reset ........................................................................... 83
15.6. EPROM Error Reset ........................................................................................ 84
15.7. Software Reset ................................................................................................ 84
15.8. USB Reset....................................................................................................... 84
16.1. System Clock Selection................................................................................... 87
16.2. USB Clock Selection ....................................................................................... 87
16.3. Programmable Internal High-Frequency (H-F) Oscillator ................................ 89
16.4. Clock Multiplier ................................................................................................ 91
16.5. Programmable Internal Low-Frequency (L-F) Oscillator ................................. 92
16.6. External Oscillator Drive Circuit....................................................................... 93
17.1. Port I/O Modes of Operation............................................................................ 98
17.2. Assigning Port I/O Pins to Analog and Digital Functions................................. 99
17.3. Priority Crossbar Decoder ............................................................................. 100
17.4. Port I/O Initialization ...................................................................................... 104
17.5. Port Match ..................................................................................................... 107
17.6. Special Function Registers for Accessing and Configuring Port I/O ............. 109
13.3.1. VDD Maintenance and the VDD monitor ................................................ 73
13.3.2. PSWE Maintenance ................................................................................ 74
13.3.3. System Clock .......................................................................................... 74
13.4.1. Performing 32-bit CRCs on Full EPROM Content .................................. 74
13.4.2. Performing 16-bit CRCs on 256-Byte EPROM Blocks............................ 74
16.3.1. Internal Oscillator Suspend Mode ........................................................... 89
16.5.1. Calibrating the Internal L-F Oscillator...................................................... 92
16.6.1. External Crystal Mode............................................................................. 93
16.6.2. External RC Example.............................................................................. 95
16.6.3. External Capacitor Example.................................................................... 95
17.1.1. Port Pins Configured for Analog I/O........................................................ 98
17.1.2. Port Pins Configured For Digital I/O........................................................ 98
17.1.3. Interfacing Port I/O to 5 V Logic .............................................................. 99
17.2.1. Assigning Port I/O Pins to Analog Functions .......................................... 99
17.2.2. Assigning Port I/O Pins to Digital Functions............................................ 99
17.2.3. Assigning Port I/O Pins to External Digital Event Capture Functions ... 100
Rev. 1.1