R5F562N8ADLE datasheet(11/25 Pages) RENESAS

Part #	R5F562N8ADLE

Description	100 MHz 32-bit RX MCU with FPU, 165 DMIPS, up to 512-Kbyte Flash, Ethernet, USB 2.0

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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11 / 25 page

RX62N Group and RX621 Group

16-Bit SDRAM Connection and Access Examples

R01AN0585EJ0202 Rev.2.02

Page 11 of 22

Feb 14, 2014

Single write

ACT

SDRAM command

PRA

d0

Data bus

SDCLK

ACT: Bank active command

WRI: Write command

PRA: All banks precharge command

DSL: Device deselect command

WRI

DSL

RCD: 1 cycle

WR: 2 cycles

RAS: 3 cycles

PR: 1 cycle

Figure 6 Write Timing

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