LH79524/LH79252 User’s Guide Table of Contents
Version 1.0 xi
13.2.2.4 Software Reset Register (SOFTRESET)......................................13-14
13.2.2.5 Reset Status Register (RSTSTATUS)..........................................13-15
13.2.2.6 Reset Status Clear Register (RSTSTATUSCLR).........................13-16
13.2.2.7 System Clock Prescaler Register (SYSCLKPRE)........................13-17
13.2.2.8 CPU Clock Prescaler Register (CPUCLKPRE)............................13-18
13.2.2.9 Peripheral Clock Control Register 0 (PCLKCTRL0).....................13-19
13.2.2.10 Peripheral Clock Control Register 1 (PCLKCTRL1)...................13-20
13.2.2.11 AHB Clock Control Register (AHBCLKCTRL)............................13-21
13.2.2.12 Peripheral Clock Select Register 0 (PCLKSEL0) .......................13-22
13.2.2.13 Peripheral Clock Select Register 1 (PCLKSEL1) .......................13-23
13.2.2.14 Silicon Revision Register (SILICONREV)...................................13-24
13.2.2.15 LCD Clock Prescaler Register (LCDPRE)..................................13-25
13.2.2.16 SSP Clock Prescaler Register (SSPPRE)..................................13-26
13.2.2.17 ADC Clock Prescaler Register (ADCPRE).................................13-27
13.2.2.18 USB Clock Prescaler Register (USBPRE) .................................13-28
13.2.2.19 External Interrupt Configuration Register (INTCONFIG)............13-29
13.2.2.20 External Interrupt Clear Register (INTCLR)................................13-31
13.2.2.21 Core Clock Configuration Register (CORECONFIG) .................13-32
13.2.2.22 System PLL Control Register (SYSPLLCTL) .............................13-33
13.2.2.23 USB PLL Control Register (USBPLLCTL)..................................13-34
Chapter 14 – Synchronous Serial Port
14.1 Theory of Operation .....................................................................................14-1
14.1.1 Timing Waveforms ................................................................................14-3
14.1.2 Motorola SPI Frame Format..................................................................14-4
14.1.3 Texas Instruments Frame Format.........................................................14-5
14.1.4 National Semiconductor Frame Format ................................................14-6
14.1.5 Clock Generation...................................................................................14-7
14.1.6 Interrupts ...............................................................................................14-7
14.1.6.1 Receive Interrupt............................................................................14-7
14.1.6.2 Transmit Interrupt...........................................................................14-8
14.1.6.3 Receive Overrun Interrupt ..............................................................14-8
14.1.6.4 Receive Timeout Interrupt ..............................................................14-8
14.1.6.5 SSPINTR........................................................................................14-8
14.2 Register Reference ......................................................................................14-9
14.2.1 Memory Map .........................................................................................14-9
14.2.2 Register Descriptions ..........................................................................14-10
14.2.2.1 Control Register 0 (CTRL0)..........................................................14-10
14.2.2.2 Control Register 1 (CTRL1)..........................................................14-12
14.2.2.3 Data Register – Receive/Transmit FIFO Register (DR)...............14-13
14.2.2.4 Status Register (SR).....................................................................14-14
14.2.2.5 Clock Prescale Register (CPSR)..................................................14-15
14.2.2.6 Interrupt Mask Set and Clear Register (IMSC).............................14-16
14.2.2.7 Raw Interrupt Status Register (RIS).............................................14-17
14.2.2.8 Masked Interrupt Status Register (MIS).......................................14-18
14.2.2.9 Interrupt Clear Register (ICR).......................................................14-19
14.2.2.10 DMA Control Register (DCR) .....................................................14-20