WIZWIKI-W7500P WIZnet

W7500x Data Sheet Version 1.0.6 Table of Contents Table of Contents .......................................................................................... 2 List of table ................................................................................................. 4 List of figures ............................................................................................... 5 1 Introduction ............................................................................................. 6 2 Description ............................................................................................... 7 3 Functional overview ................................................................................... 9 3.1 ARM -Cortex -M0 core with embedded Flash and SRAM ............................. 9 3.2 Memories ...................................................................................... 9 3.3 Boot modes .................................................................................... 9 3.4 System configuration controller (SYSCFG) ............................................. 10 3.5 Power management ........................................................................ 10 3.5.1 Power supply schemes ............................................................. 10 3.5.2 Low-power modes .................................................................. 10 3.6 Clocks and startup ......................................................................... 11 3.6.1 External Oscillator Clock .......................................................... 12 3.6.2 RC oscillator clock .................................................................. 12 3.6.3 PLL .................................................................................... 12 3.6.4 Generated clock .................................................................... 12 3.7 Interrupts and events ..................................................................... 13 3.7.1 Nested vectored interrupt controller (NVIC) .................................. 13 3.7.2 Event controller .................................................................... 13 3.8 Tcp/ip offload engine (TOE) .............................................................. 13 3.9 General-purpose inputs/outputs (GPIOs) .............................................. 14 3.10 Pad controller (PADCON) .................................................................. 14 3.11 Alternative function controller (AFC) .................................................. 16 3.12 External interrupt (EXTI) ................................................................. 18 3.13 Direct memory access controller (DMA) ................................................ 19 3.14 Analog to digital converter (ADC) ....................................................... 19 3.15 Timers and watchdogs ..................................................................... 20 3.15.1 System tick timer ................................................................... 20 3.15.2 Pulse-Width Modulation (PWM) .................................................. 20 3.15.3 Dual timers .......................................................................... 20 3.15.4 Watchdog timer ..................................................................... 21 3.16 Real-time clock (RTC) ..................................................................... 21 3.16.1 RTC clock ............................................................................ 21 3.16.2 RTC interrupt ........................................................................ 21 3.17 Universal asynchronous receiver/transmitter (UART) ............................... 22 W7500x Data Sheet Version1.0.6 2 / 40