Microchip Technology /ATSAME70Q21B /SDRAMC /CR

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 CR

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 (COL8)NC0 (ROW11)NR0 (BANK2)NB 0CAS0 (DBW)DBW 0TWR0TRC_TRFC 0TRP0TRCD0TRAS0TXSR

NR=ROW11, NB=BANK2, NC=COL8

Description

SDRAMC Configuration Register

Fields

NC

Number of Column Bits

0 (COL8): 8 column bits

1 (COL9): 9 column bits

2 (COL10): 10 column bits

3 (COL11): 11 column bits

NR

Number of Row Bits

0 (ROW11): 11 row bits

1 (ROW12): 12 row bits

2 (ROW13): 13 row bits

NB

Number of Banks

0 (BANK2): 2 banks

1 (BANK4): 4 banks

CAS

CAS Latency

1 (LATENCY1): 1 cycle CAS latency

2 (LATENCY2): 2 cycle CAS latency

3 (LATENCY3): 3 cycle CAS latency

DBW

Data Bus Width

TWR

Write Recovery Delay

TRC_TRFC

Row Cycle Delay and Row Refresh Cycle

TRP

Row Precharge Delay

TRCD

Row to Column Delay

TRAS

Active to Precharge Delay

TXSR

Exit Self-Refresh to Active Delay

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