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ST92T163R4T1V Datasheet(PDF) 4 Page - STMicroelectronics |
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ST92T163R4T1V Datasheet(HTML) 4 Page - STMicroelectronics |
4 / 224 page 4/224 Table of Contents 6 EXTERNAL MEMORY INTERFACE (EXTMI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 6.1 INTRODUCTION . . . . . . . . . . . . . .... . . ... .. ... .. .. . . . . . . . ... .. .. .... . . ... .. 89 6.2 EXTERNAL MEMORY SIGNALS . . . . . . . . . . . . . . . . . .... . . . .... .... .. . .... .. . . . 90 6.2.1 AS: Address Strobe . . . . . . . . . . . . . . . . . . . . . .... . . . . ... . ... .. . . ... .. . . . 90 6.2.2 DS: Data Strobe . . . . .... . ... .. . . . . .... .... .. . .... .. . . . . . . ... .. . .... 90 6.2.3 DS2: Data Strobe 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 6.2.4 RW: Read/Write . . . . .... . ... .. . . . . . ... . ... .. . . ... .. . .... . ... .. . . ... 93 6.2.5 BREQ, BACK: Bus Request, Bus Acknowledge . . . . . . . . . . . . . . . . . . . .... . ... 93 6.2.6 PORT 0 . . . . . . .... . . . . .. . . . . . . . . . . . . . ... ... . . . . . . . . . . ... .. .. . . . . . . 94 6.2.7 PORT 1 . . . . . . .... . . . . .. . . . . . . . . . . . . . ... ... . . . . . . . . . . ... .. .. . . . . . . 94 6.2.8 WAIT: External Memory Wait . . . . . . . . . . . . . . . . . . . . . . . . . . .... . ... .. . . ... 94 6.3 REGISTER DESCRIPTION . .... . ... .. . . ... ... . ... .. . . ... .. . .... . ... .. . . ... 95 7 I/O PORTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... . . . . ... .. ... .. .. ... .. . ... .. . . ... . . 98 7.1 INTRODUCTION . . . . . . . . . . . . . .... . . ... .. ... .. .. . . . . . . . ... .. .. .... . . ... .. 98 7.2 SPECIFIC PORT CONFIGURATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... . ... 98 7.3 PORT CONTROL REGISTERS . . . . . . . . . . . . . . . . . . .... . . . .... .... .. . .... .. . . . 98 7.4 INPUT/OUTPUT BIT CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99 7.5 ALTERNATE FUNCTION ARCHITECTURE . . . . . . . . . . . . . . . . . . . . . . . . .... . . ... . 103 7.5.1 Pin Declared as I/O . . .... . ... .. . . . . .... . ... .. . . ... .. . . . . . . ... .. . . .. 103 7.5.2 Pin Declared as an Alternate Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103 7.5.3 Pin Declared as an Alternate Function Output . . . . . . . . . . . . . . . . . . . . . . . . . . . 103 7.6 I/O STATUS AFTER WFI, HALT AND RESET . . . . . . . . . . . . . . . . . . . . . . .... . . ... . 103 8 ON-CHIP PERIPHERALS . . . . . . . . . . . .... . . ... .. .... ... . . . . . . . . . . . . . . . . . . . . ... . 104 8.1 TIMER/WATCHDOG (WDT) . . . . . . . . . . . . . .... . ... .. . . . . .... . . . . .. . . . . . . . . . 104 8.1.1 Introduction . . . . . . . . . . . . .... . . ... .. .... ... . . . . . . . . . . . . . . . . . . . . ... . 104 8.1.2 Functional Description . . . . . . . . . ... .. ... .. .. . . . . . . . ... .. .. .... . . ... . 105 8.1.3 Watchdog Timer Operation . . . . . . . . . . .... .... .. . . . . . . . . . . . . . ... .. . . . . 106 8.1.4 WDT Interrupts .... .... .. . .... .. . .... . ... .. .. .. .... . . . ... . . . . . . . . . 108 8.1.5 Register Description . . . . . .... . . ... .. .... ... . . . . . . . . . . . . . . . . . .. . ... . 109 8.2 MULTIFUNCTION TIMER (MFT) . . . . . . . . . . . . . . . . . . . . . . . . .... .... .. . . . . . . . . . 111 8.2.1 Introduction . . . . . . . . . . . . .... . . ... .. .... ... . . . . . . . . . . . . . . . . . . . . ... . 111 8.2.2 Functional Description . . . . . . . . . ... .. ... .. .. . . . . . . . ... .. .. .... . . ... . 113 8.2.3 Input Pin Assignment . . . . . . . . . . . . . .... . ... .. .. .. .... . . . ... . . . . . . . . . 116 8.2.4 Output Pin Assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 8.2.5 Interrupt and DMA . . . . . . . . . . . . . . . . .... . . . ... . . . . . . . . . . . . . ... ... . . . 122 8.2.6 Register Description . . . . . .... . . ... .. .... ... . . . . . . . . . . . . . . . . . .. . ... . 124 8.3 USB PERIPHERAL (USB) . . .... . ... ... . . . .... . . . . .. . . . . . . . . . . . . . ... .. . . . . 135 8.3.1 Introduction . . . . . . . . . . . . .... . . ... .. .... ... . . . . . . . . . . . . . . . . . . . . ... . 135 8.3.2 Main Features . . . . . . . . . . .... . . ... .. .... ... . . . . . . . . . . . . . . . . . .. . ... . 135 8.3.3 Functional Description . . . . . . . . . ... .. ... .. .. . . . . . . . ... .. .. .... . . ... . 135 8.3.4 Register Description . . . . . .... . . ... .. .... ... . . . . . . . . . . . . . . . . . .. . ... . 138 8.3.5 Register pages summary . . . . . . . . . . . .... . . . ... . . . . . . . . . . . . . ... ... . . . 148 8.4 SERIAL COMMUNICATIONS INTERFACE (SCI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150 8.4.1 Introduction . . . . . . . . . . . . .... . . ... .. .... ... . . . . . . . . . . . . . . . . . . . . ... . 150 8.4.2 Functional Description . . . . . . . . . ... .. ... .. .. . . . . . . . ... .. .. .... . . ... . 151 8.4.3 SCI Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152 |
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