PAC5250
Power Application Controller
13. ADC with Auto-Sampling Sequencer..............................................................................................................48
13.1. Block Diagram........................................................................................................................................48
13.2. Functional Description............................................................................................................................48
13.2.1. ADC................................................................................................................................................ 48
13.2.2. Auto-Sampling Sequencer.............................................................................................................48
13.2.3. EMUX Control................................................................................................................................49
13.3. Electrical Characteristics........................................................................................................................49
14. Memory System............................................................................................................................................. 50
14.1. Features................................................................................................................................................. 50
14.2. Block Diagram........................................................................................................................................50
14.3. Functional Description............................................................................................................................50
14.3.1. Program and Data FLASH.............................................................................................................50
14.3.2. SRAM.............................................................................................................................................50
14.4. Electrical Characteristics........................................................................................................................51
15. Clock Control System.....................................................................................................................................52
15.1. Features................................................................................................................................................. 52
15.2. Block Diagram........................................................................................................................................52
15.3. Functional Description............................................................................................................................53
15.3.1. Free Running Clock (FRCLK)........................................................................................................53
15.3.2. Fast Clock (FCLK)..........................................................................................................................53
15.3.3. High-Speed Clock (HCLK).............................................................................................................53
15.3.4. Auxiliary Clock (ACLK)...................................................................................................................53
15.3.5. Clock Gating...................................................................................................................................53
15.3.6. Ring Oscillator (ROSC)..................................................................................................................53
15.3.7. Trimmed 4MHz RC Oscillator.........................................................................................................53
15.3.8. Internal Slow RC Oscillator............................................................................................................53
15.3.9. Crystal Oscillator Driver.................................................................................................................53
15.3.10. External Clock Input.....................................................................................................................53
15.3.11. PLL...............................................................................................................................................53
15.4. Electrical Characteristics........................................................................................................................54
16. ARM Cortex-M0 Microcontroller Core............................................................................................................55
16.1. Features................................................................................................................................................. 55
16.2. Block Diagram........................................................................................................................................55
16.3. Functional Description............................................................................................................................56
16.4. Electrical Characteristics........................................................................................................................57
16.5. Typical Performance Characteristics......................................................................................................57
17. I/O Controller.................................................................................................................................................. 58
17.1. Features................................................................................................................................................. 58
17.2. Block Diagram........................................................................................................................................58
17.3. Functional Description............................................................................................................................58
17.4. Electrical Characteristics........................................................................................................................59
18. Serial Interface............................................................................................................................................... 60
18.1. Block Diagram........................................................................................................................................60
18.2. Functional Description............................................................................................................................60
18.2.1. I2C Controller..................................................................................................................................60
18.3. UART Controller.....................................................................................................................................61
18.4. SPI Controller.........................................................................................................................................61
18.5. Dynamic Characteristics........................................................................................................................62
19. Timers............................................................................................................................................................ 66
19.1. Block Diagram........................................................................................................................................66
19.2. Functional Description............................................................................................................................67
19.2.1. Timer A...........................................................................................................................................67
19.2.2. Timer B...........................................................................................................................................67
19.2.3. Timer C..........................................................................................................................................67
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Rev 1.14‒June 15, 2017
ACTIVE-SEMI [ ACTIVE-SEMI, INC ]
