NXP Semiconductors /MIMXRT1062 /SEMC /SDRAMCR0

Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text

Interpret as SDRAMCR0

31 2827 2423 2019 1615 1211 87 43 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (PS_0)PS 0 (BL_0)BL0 (COL8_0)COL8 0 (COL_0)COL0 (CL_0)CL0 (BANK2_0)BANK2

CL=CL_0, BANK2=BANK2_0, COL8=COL8_0, BL=BL_0, COL=COL_0, PS=PS_0

Description

SDRAM control register 0

Fields

PS

Port Size

0 (PS_0): 8bit

1 (PS_1): 16bit

BL

Burst Length

0 (BL_0): 1

1 (BL_1): 2

2 (BL_2): 4

3 (BL_3): 8

4 (BL_4): 8

5 (BL_5): 8

6 (BL_6): 8

7 (BL_7): 8

COL8

Column 8 selection bit

0 (COL8_0): Column address bit number is decided by COL field.

1 (COL8_1): Column address bit number is 8. COL field is ignored.

COL

Column address bit number

0 (COL_0): 12 bit

1 (COL_1): 11 bit

2 (COL_2): 10 bit

3 (COL_3): 9 bit

CL

CAS Latency

0 (CL_0): 1

1 (CL_1): 1

2 (CL_2): 2

3 (CL_3): 3

BANK2

2 Bank selection bit

0 (BANK2_0): SDRAM device has 4 banks.

1 (BANK2_1): SDRAM device has 2 banks.

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