RTL8196E-CG Просмотр технического описания (PDF) - Realtek Semiconductor

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RTL8196E-CG

5-PORT 10/100M ETHERNET ROUTER NETWORK PROCESSOR

Realtek Semiconductor 

RTL8196E

Datasheet

Table of Contents

1. GENERAL DESCRIPTION ..............................................................................................................................................1

2. FEATURES .........................................................................................................................................................................2

3. SYSTEM APPLICATIONS...............................................................................................................................................3

4. BLOCK DIAGRAM ...........................................................................................................................................................4

5. PIN ASSIGNMENTS .........................................................................................................................................................5

5.1. PACKAGE IDENTIFICATION...........................................................................................................................................5

6. PIN DESCRIPTIONS.........................................................................................................................................................6

6.1. CONFIGURATION UPON POWER ON STRAPPING .........................................................................................................10

6.2. SHARED I/O PIN MAPPING .........................................................................................................................................11

7. MEMORY CONTROLLER ............................................................................................................................................12

7.1. SDR DRAM CONTROL INTERFACE ...........................................................................................................................12

7.1.1. Features................................................................................................................................................................12

7.2. DDR DRAM CONTROLLER .......................................................................................................................................13

7.2.1. Features................................................................................................................................................................13

7.3. SPI FLASH CONTROLLER ...........................................................................................................................................13

7.3.1. Features................................................................................................................................................................13

7.3.2. Pin Mode and Definition of Serial and Dual I/O..................................................................................................13

7.4. SOFTWARE REGISTER DEFINITIONS ...........................................................................................................................14

7.4.1. Memory Control Register (MCR) (0xB800_1000) ...............................................................................................14

7.4.2. DRAM Configuration Register (DCR) (0xB800_1004)........................................................................................15

7.4.3. DRAM Timing Register (DTR) (0xB800_1008)....................................................................................................16

7.4.4. DDR DRAM Calibration Register (DDCR) (0xB800_1050)................................................................................17

7.4.5. SPI Flash Configuration Register (SFCR) (0xB800_1200)..................................................................................18

7.4.6. SPI Flash Configuration Register 2 (SFCR2) (0xB800_1204).............................................................................18

7.4.7. SPI Flash Control & Status Register (SFCSR) (0xB800_1208) ...........................................................................19

7.4.8. SPI Flash Data Register (SFDR) (0xB800_120C) ...............................................................................................20

7.4.9. SPI Flash Data Register 2 (SFDR2) (0xB800_1210)...........................................................................................20

8. PERIPHERAL AND MISC CONTROLS......................................................................................................................21

8.1. INTERRUPT CONTROL REGISTERS ..............................................................................................................................21

8.1.1. Global Interrupt Mask Register (GIMR) (0x B800_3000) ...................................................................................21

8.1.2. Global Interrupt Status Register (GISR) (0x B800_3004)....................................................................................22

8.1.3. Interrupt Routing Register 1 (IRR1) (0xB800_300C)...........................................................................................22

8.1.4. Interrupt Routing Register 2 (IRR2) (0xB800_3010) ...........................................................................................23

8.1.5. Interrupt Routing Register 3 (IRR3) (0xB800_3014) ...........................................................................................23

8.2. TIMER ........................................................................................................................................................................24

8.2.1. Timer Control Address Mapping (Base: 0xB800_3100) ......................................................................................24

8.2.2. Timer/Counter 0 Data Register (0xB800_3100) ..................................................................................................24

8.2.3. Timer/Counter 1 Data Register (0xB800_3104) ..................................................................................................24

8.2.4. Timer/Counter 0 Counter Register (0xB800_3108) .............................................................................................25

8.2.5. Timer/Counter 1 Counter Register (0xB800_310C).............................................................................................25

8.2.6. Timer/Counter Control Register (0xB800_3110) .................................................................................................25

8.2.7. Timer/Counter Interrupt Register (0xB800_3114) ...............................................................................................25

8.2.8. Clock Division Base Register (0xB800_3118)......................................................................................................26

8.2.9. Watchdog Timer Control Register (0xB800_311C) .............................................................................................26

5-Port 10/100M Ethernet Router Network Processor

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Track ID: JATR-3375-16 Rev. 1.0

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