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Chapter 10 Memory Subsystem.pdf

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Public Version<br />

General-Purpose <strong>Memory</strong> Controller www.ti.com<br />

Bits Field Name Description Type Reset<br />

2 ERRORTIMEOUT Time-out error R 0x0<br />

0x0: No error occurs<br />

0x1: The error is due to a time out<br />

1 RESERVED Write 0s for future compatibility. Read returns 0. RW 0x0<br />

0 ERRORVALID Error validity status - Must be explicitly cleared with a write RW 0x0<br />

1 transaction<br />

General-Purpose <strong>Memory</strong> Controller<br />

• Error Handling: [0] [1] [2]<br />

• GPMC Register Summary: [3]<br />

• GPMC Register Description: [4]<br />

Address Offset 0x0000 0050<br />

0x0: All error fields no longer valid<br />

0x1: Error detected and logged in the other error fields<br />

Table <strong>10</strong>-44. Register Call Summary for Register GPMC_ERR_TYPE<br />

Table <strong>10</strong>-45. GPMC_CONFIG<br />

Physical Address 0x6E00 0050 Instance GPMC<br />

Description The configuration register allows global configuration of the GPMC<br />

Type RW<br />

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 <strong>10</strong> 9 8 7 6 5 4 3 2 1 0<br />

RESERVED<br />

Bits Field Name Description Type Reset<br />

31:12 RESERVED Write 0s for future compatibility. Read returns 0s. RW 0x00000<br />

11 WAIT3PINPOLARITY Selects the polarity of input pin WAIT3 RW 0x1<br />

0x0: WAIT3 active low<br />

0x1: WAIT3 active high<br />

<strong>10</strong> WAIT2PINPOLARITY Selects the polarity of input pin WAIT2 RW 0x0<br />

0x0: WAIT2 active low<br />

0x1: WAIT2 active high<br />

9 WAIT1PINPOLARITY Selects the polarity of input pin WAIT1 RW 0x1<br />

0x0: WAIT1 active low<br />

0x1: WAIT1 active high<br />

8 WAIT0PINPOLARITY Selects the polarity of input pin WAIT0 RW 0x0<br />

0x0: WAIT0 active low<br />

0x1: WAIT0 active high<br />

7:5 RESERVED Write 0s for future compatibility. Read returns 0s. RW 0x0<br />

2184 <strong>Memory</strong> <strong>Subsystem</strong> SPRUGN4L–May 20<strong>10</strong>–Revised June 2011<br />

WAIT3PINPOLARITY<br />

WAIT2PINPOLARITY<br />

Copyright © 20<strong>10</strong>–2011, Texas Instruments Incorporated<br />

WAIT1PINPOLARITY<br />

WAIT0PINPOLARITY<br />

RESERVED<br />

WRITEPROTECT<br />

RESERVED<br />

LIMITEDADDRESS<br />

NANDFORCEPOSTEDWRITE

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