Transcription of BCM2835 ARM Peripherals - Raspberry Pi
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2012 Broadcom Corporation. All rights reserved Broadcom Europe Ltd. 406 Science Park Milton Road Cambridge CB4 0WW BCM2835 ARM Peripherals 06 February 2012 Broadcom Europe Ltd. 406 Science Park Milton Road Cambridge CB4 0WW Page ii 2012 Broadcom Corporation. All rights reserved Table of Contents 1 Introduction 4 Overview 4 Address map 4 Diagrammatic overview 4 ARM virtual addresses (standard Linux kernel only) 6 ARM physical addresses 6 Bus addresses 6 peripheral access precautions for correct memory ordering 7 2 Auxiliaries: UART1 & SPI1, SPI2 8 Overview 8 AUX registers 9 Mini UART 10 Mini UART implementation details.
6 General Purpose I/O (GPIO) 89 6.1 Register View 90 6.2 Alternative Function Assignments 102 6.3 General Purpose GPIO Clocks 105 7 Interrupts 109 7.1 Introduction 109 7.2 Interrupt pending. 110 7.3 Fast Interrupt (FIQ). 110 7.4 Interrupt priority. 110 7.5 Registers 112 8 PCM / I2S Audio 119 8.1 Block Diagram 120 8.2 Typical Timing 120 8.3 ...
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