SH7618 Datasheet, PDF(635/646 Page) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7618 Series

English

English German Russian Spanish Italian Polish Chinese Japanese Korean French Portuguese	Language :

SH7618 Datasheet, PDF (635/646 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7618 Series

◁

Item

Figure 21.23 Synchronous

DRAM Burst Write Bus Cycle

(Single Write Ã 4)

(Auto-Precharge, WTRCD = 1

Cycle, TRWL = 1 Cycle)

Page Revision (See Manual for Details)

566 Amended

CKIO

A25 to A0

Tr

Trw

Tc1

Tc2

Tc3

Tc4

Trwl

tAD1

Row

address

tAD1

tAD1

tAD1

tAD1

tAD1

Column

address

Column

address

Column

address

Column

address

Figure 21.24 Synchronous

567

DRAM Burst Read Bus Cycle

(Single Read Ã 4)

(Bank Active Mode: ACT + READ

Commands, CAS Latency = 2,

WTRCD = 0 Cycle)

Figure 21.25 Synchronous

568

DRAM Burst Read Bus Cycle

(Single Read Ã 4)

(Bank Active Mode: READ

Command, Same Row Address,

CAS Latency = 2,

WTRCD = 0 Cycle)

Figure 21.26 Synchronous

569

DRAM Burst Read Bus Cycle

(Single Read Ã 4)

(Bank Active Mode: PRE + ACT +

READ Commands, Different Row

Addresses,

CAS Latency = 2, WTRCD = 0

Cycle)

Figure 21.27 Synchronous

570

DRAM Burst Write Bus Cycle

(Single Write Ã 4)

(Bank Active Mode: ACT + WRITE

Commands, WTRCD = 0 Cycle,

TRWL = 0 Cycle)

Figure 21.28 Synchronous

571

DRAM Burst Write Bus Cycle

(Single Write Ã 4)

(Bank Active Mode: WRITE

Command, Same Row Address,

WTRCD = 0 Cycle,

TRWL = 0 Cycle)

Amended

CKIO

A25 to A0

Td1

Td2

Td3

Td4

Tr

Tc1

Tc2

Tc3

Tc4

Tde

tAD1

tAD1

tAD1

tAD1

tAD1

Row

address

Column

address

Column Column

address address

Column

address

tAD1

Amended

CKIO

A25 to A0

Td1

Td2

Td3

Td4

Tc1

Tc2

Tc3

Tc4

Tde

tAD1

tAD1

tAD1

tAD1

Column Column Column

address address address

Column

address

tAD1

Amended

CKIO

A25 to A0

Td1

Td2

Td3

Td4

Tp

Tpw

Tr

Tc1

Tc2

Tc3

Tc4

Tde

tAD1

Row

address

tAD1

tAD1

tAD1

tAD1

Column Column Column

address address address

Column

address

tAD1

Amended

CKIO

A25 to A0

Tr

Tc1

Tc2

Tc3

Tc4

tAD1

tAD1

tAD1

Row

address

Column

address

Column

address

tAD1

tAD1

Column

address

Column

address

tAD1

Amended

CKIO

A25 to A0

Tnop

Tc1

Tc2

Tc3

Tc4

tAD1

tAD1

tAD1

tAD1

Column

address

Column

address

Column

address

Column

address

tAD1

Rev. 6.00 Jun. 12, 2007 Page 603 of 610

REJ09B0131-0600

▷