Electronic Components Datasheet Search |
|
ST90158-ST90135 Datasheet(PDF) 3 Page - STMicroelectronics |
|
|
ST90158-ST90135 Datasheet(HTML) 3 Page - STMicroelectronics |
3 / 190 page 3/190 Table of Contents 9 4.2.1 Divide by Zero trap . . . . . . . . . . . . . . . . .... . . . ... . . . . . . . . . . . . . ... .. . . .. . 48 4.2.2 Segment Paging During Interrupt Routines . .... .. . . . . . . . . . . . . . ... .. . .... 49 4.3 INTERRUPT PRIORITY LEVELS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 4.4 PRIORITY LEVEL ARBITRATION . . . . . . ... .. ... .. .. ... .. .. ... .. .. .... . . ... .. 49 4.4.1 Priority level 7 (Lowest) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 4.4.2 Maximum depth of nesting . . . . . . ... .. ... .. .. . . . . . . . . . . . . . . .... . . ... .. 49 4.4.3 Simultaneous Interrupts . . . . . . . . . . . . .... . . . ... . . . . . . . . . . . . . ... ... . . . . 49 4.4.4 Dynamic Priority Level Modification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 4.5 ARBITRATION MODES . . . . . . . . . . . . . . . . . .... . ... .. . . . . .... . . . ... . . . . . . . . . . 50 4.5.1 Concurrent Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 4.5.2 Nested Mode . . . . . . .... . ... .. . . ... ... . ... .. . . ... .. . . ... . ... .. .. ... 53 4.6 EXTERNAL INTERRUPTS . . . . . . . . . . . . . . . . . . . . . .... .... ... . . . . . . . . ... .. . . . 55 4.7 TOP LEVEL INTERRUPT . . . . . . . . . . . . . . . . . .... ... . . . . . . . . . . . . . . . . . . . . ... .. 57 4.8 ON-CHIP PERIPHERAL INTERRUPTS . . . . . . . . . . . . . . . . . . . . . . . . . . . .... . . ... .. 57 4.9 INTERRUPT RESPONSE TIME . .... . . ... .. .... ... . . . . . . . . . . . . . . . . . . . . ... .. 58 4.10 INTERRUPT REGISTERS . . .... . ... .. . . . . .... .... .. . . . . . . . . . . . . . ... .. . .... 59 5 ON-CHIP DIRECT MEMORY ACCESS (DMA) . . . . . . . ... . . . . . . . . . .... ... . . . . . . . . . . . . 63 5.1 INTRODUCTION . . . . . . . . . . . . . .... . . ... .. ... .. .. . . . . . . . ... .. .. .... . . ... .. 63 5.2 DMA PRIORITY LEVELS . . . .... . ... .. . . . . .... .... .. . .... .. . . . . . . ... .. . .... 63 5.3 DMA TRANSACTIONS . . . . . . . . . . . . . . ... .. ... .. .. ... .. .. ... .. .. .... . . ... .. 64 5.4 DMA CYCLE TIME . . . . . . . . . . . . . . . .... . ... .. .. .. . . . . . . . . . . . . ... . . . .... . ... 66 5.5 SWAP MODE . . . . . . . . . . . . .... . ... .. . . . . .... .... .. . .... .. . . . . . . ... .. . .... 66 5.6 DMA REGISTERS . . . . . . . . . . . . .... . . ... .. .... ... . . . . . . . . . . . . . . . . . . . . ... .. 67 6 RESET AND CLOCK CONTROL UNIT (RCCU) . . . .... .... .. . . . . . . . . . . . . . ... .. . .... 68 6.1 INTRODUCTION . . . . . . . . . . . . . .... . . ... .. ... .. .. . . . . . . . ... .. .. .... . . ... .. 68 6.2 CLOCK CONTROL UNIT . . . . . . . .... . . ... .. .... ... . . . . . . . . . . . . . . . . . .. . ... .. 68 6.2.1 Clock Control Unit Overview . . . . . ... .. ... .. .. . . . . . . . ... .. .. .... . . ... .. 68 6.3 CLOCK MANAGEMENT . . . . . . . . . . . . . ... . . . . ... .. ... .. .. ... .. . ... .. . . ... . . 69 6.3.1 PLL Clock Multiplier Programming . . . . .... .... .. . . . . . . . . . . . . . ... .. . .... 70 6.3.2 CPU Clock Prescaling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 6.3.3 Peripheral Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 6.3.4 Low Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... . ... 71 6.3.5 Interrupt Generation . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... .... .. . . . . . . . . . . 71 6.4 CLOCK CONTROL REGISTERS . . . . . . . . . . . . . . . . . .... .... ... . . . . . . . . ... .. . . . 74 6.5 OSCILLATOR CHARACTERISTICS . . . . . . . . . . . .... . . ... . . . . ... .. ... .. .. ... .. 77 6.6 RESET/STOP MANAGER . . . . . . .... . . ... .. .... ... . . . . . . . . . . . . . . . . . .. . ... .. 79 6.6.1 RESET Pin Timing . . . . . . . . . . . . . . . . .... . . . ... . . . . . . . . . . . . . ... ... . . . . 80 6.7 EXTERNAL STOP MODE . . .... . ... .. . . . . .... .... .. . .... .. . . . . . . ... .. . .... 80 7 EXTERNAL MEMORY INTERFACE (EXTMI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 7.1 INTRODUCTION . . . . . . . . . . . . . .... . . ... .. ... .. .. . . . . . . . ... .. .. .... . . ... .. 81 7.2 EXTERNAL MEMORY SIGNALS . . . . . . . . . . . . . . . . . .... . . . .... .... .. . .... .. . . . 82 7.2.1 AS: Address Strobe . . . . . . . . . . . . . . . . . . . . . .... . . . . ... . ... .. . . ... .. . . . 82 7.2.2 DS: Data Strobe . . . . .... . ... .. . . . . .... .... .. . .... .. . . . . . . ... .. . .... 82 7.2.3 DS2: Data Strobe 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82 7.2.4 RW: Read/Write . . . . .... . ... .. . . . . . ... . ... .. . . ... .. . .... . ... .. . . ... 85 7.2.5 BREQ, BACK: Bus Request, Bus Acknowledge . . . . . . . . . . . . . . . . . . . .... . ... 85 7.2.6 PORT 0 . . . . . . .... . . . . .. . . . . . . . . . . . . . ... ... . . . . . . . . . . ... .. .. . . . . . . 86 |
Similar Part No. - ST90158-ST90135 |
|
Similar Description - ST90158-ST90135 |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.COM |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Datasheet Upload | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |