CS89712-CB datasheet(3/170 Pages) CIRRUS

3 / 170 page

CS89712

DS502PP2

3. REGISTER SET ...................................................................................................................... 70

3.1 Internal Registers .............................................................................................................. 70

3.2 Accessing Ethernet Port Registers ................................................................................... 73

3.3 Ethernet Port Internal Memory Map .................................................................................. 77

3.4 I/O Port Data Registers ..................................................................................................... 78

3.5 System Control Registers ................................................................................................. 79

3.6 Interrupt Registers ............................................................................................................ 89

3.7 Expansion Memory Configuration Registers ..................................................................... 92

3.8 Timer / Counter Registers ................................................................................................. 95

3.9 Miscellaneous Registers ................................................................................................... 95

3.10 UART Registers .............................................................................................................. 98

3.11 LCD Registers ............................................................................................................... 100

3.12 SSI Register .................................................................................................................. 103

3.13 End Of Interrupt Locations ............................................................................................ 104

3.14 State Control Registers ................................................................................................. 105

3.15 SS2 Registers ............................................................................................................... 106

3.16 DAI Registers ................................................................................................................ 106

3.17 Ethernet Bus Interface Registers .................................................................................. 117

3.18 Ethernet Port Status/Control Registers ......................................................................... 117

4. TEST & DEBUG MODES ..................................................................................................... 137

4.1 Entering test modes ........................................................................................................137

4.2 Boundary Scan ............................................................................................................... 139

4.3 In-Circuit Emulation ......................................................................................................... 140

5. MECHANICAL INFORMATION ............................................................................................ 142

5.1 256-PBGA Pin Diagram .................................................................................................. 142

5.2 256-Ball PBGA Ball Listing ............................................................................................. 143

5.3 External Signal Functions

.......................................................................................... 147

5.4 Output Bi-Directional Pins ............................................................................................... 151

5.5 256 PBGA Package Dimensions .................................................................................... 153

6. ELECTRICAL/THERMAL INFO ........................................................................................... 154

6.1 Absolute Maximum Ratings ............................................................................................ 154

6.2 DC Characteristics .......................................................................................................... 154

6.3 AC Characteristics .......................................................................................................... 157

6.4 I/O Buffer Strength & Characteristics .............................................................................. 169

7. ORDERING INFORMATION ................................................................................................ 170

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