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EMIF Registers
839
SPNU563A–March 2018
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External Memory Interface (EMIF)
21.3.12 Page Mode Control Register (PMCR)
The page mode control register (PMCR) is shown in Figure 21-26 and described in Table 21-36. This
register is configured when using NOR Flash page mode.
Figure 21-26. Page Mode Control Register (PMCR) [offset = 68h]
31 26 25 24
CS5_PG_DEL CS5_PG_SIZE CS5_PG_MD_EN
R/W-3Fh R/W-0 R/W-0
23 18 17 16
CS4_PG_DEL CS4_PG_SIZE CS4_PG_MD_EN
R/W-3Fh R/W-0 R/W-0
15 10 9 8
CS3_PG_DEL CS3_PG_SIZE CS3_PG_MD_EN
R/W-3Fh R/W-0 R/W-0
7 2 1 0
CS2_PG_DEL CS2_PG_SIZE CS2_PG_MD_EN
R/W-3Fh R/W-0 R/W-0
LEGEND: R/W = Read/Write; -n = value after reset
Table 21-36. Page Mode Control Register (PMCR) Field Descriptions
Bit Field Value Description
31-26 CS5_PG_DEL 1-3Fh Page access delay for NOR Flash connected on CS5. CS5 is not available on this device.
25 CS5_PG_SIZE Page Size for NOR Flash connected on CS5. CS5 is not available on this device.
24 CS5_PG_MD_EN Page Mode enable for NOR Flash connected on CS5. CS5 is not available on this device.
23-18 CS4_PG_DEL 1-3Fh Page access delay for NOR Flash connected on CS4. Number of EMIF_CLK cycles required for
the page read data to be valid, minus one cycle. This value must not be cleared to 0.
17 CS4_PG_SIZE Page Size for NOR Flash connected on CS4.
0 Page size is 4 words
1 Page size is 8 words
16 CS4_PG_MD_EN Page Mode enable for NOR Flash connected on CS4.
0 Page mode disabled for this chip select
1 Page mode enabled for this chip select
15-10 CS3_PG_DEL 1-3Fh Page access delay for NOR Flash connected on CS3. Number of EMIF_CLK cycles required for
the page read data to be valid, minus one cycle. This value must not be cleared to 0.
9 CS3_PG_SIZE Page Size for NOR Flash connected on CS3.
0 Page size is 4 words
1 Page size is 8 words
8 CS3_PG_MD_EN Page Mode enable for NOR Flash connected on CS3.
0 Page mode disabled for this chip select
1 Page mode enabled for this chip select
7-2 CS2_PG_DEL 1-3Fh Page access delay for NOR Flash connected on CS2. Number of EMIF_CLK cycles required for
the page read data to be valid, minus one cycle. This value must not be cleared to 0.
1 CS2_PG_SIZE Page Size for NOR Flash connected on CS2.
0 Page size is 4 words
1 Page size is 8 words
0 CS2_PG_MD_EN Page Mode enable for NOR Flash connected on CS2.
0 Page mode disabled for this chip select
1 Page mode enabled for this chip select
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