Renesas Electronics /R7FA6M3AH /BUS /SDTR

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 SDTR

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 (others)CL0 (0)WR 0RP0RCD0 (000)RAS

RAS=000, WR=0, CL=others

Description

SDRAM Timing Register

Fields

CL

SDRAMC Column Latency

0 (others): Setting prohibited

1 (001): 1 cycle

2 (010): 2 cycles

3 (011): 3 cycles

WR

Write Recovery Interval

0 (0): 1 cycle

1 (1): 2 cycles

RP

Row Precharge Interval ( RP+1 cycles )

RCD

Row Column Latency ( RCD+1 cycles )

RAS

Row Active Interval

0 (000): 1 cycle

1 (001): 2 cycles

2 (010): 3 cycles

3 (011): 4 cycles

4 (100): 5 cycles

5 (101): 6 cycles

6 (110): 7 cycles

7 (111): Setting prohibited

Links

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