KL5KUSB121 데이터 시트보기 (PDF) - KAWASAKI MICROELECTRONICS

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KL5KUSB121

USB to 10/100 Ethernet Controller

KAWASAKI MICROELECTRONICS 

PRELIMINARY

KL5KUSB121

6. Serial EEPROM Access Timing

USB to 10/100 Ethernet Controller

Serial EEPROM Byte Write, Page Write, Current Address Read, Random Read

and Sequential Read Timings are shown below. Please refer to Serial EEPROM

datasheet ([12] 3-b) for more detail.

6.1 Serial EEPROM Byte Write

Figure 6.1.1 SEP Byte Write Timings

SEPSCL

(OUT)

SEPSDA

(I/O)

status

(L)

(L)

(L)

idle

S 1 0 1 0 b2b1b0 0 Aa7a6a5a4a3a2a1a0 Ad7d6d5d4d3d2d1d0 AS

T control byte K word address K byte data KP

idle

S control

T

(H)

(L)

NS

control

A

KT

K

Twr = max 10ms for internal wr operation

(ack polling needed to start next tran)

6.2 Serial EEPROM Page Write (up to 16 bytes)

Figure 6.2.1 SEP Page Write Timings

status

idle

S

T

control

Aw

K addrN

A

K

dat N

A

K

dat

N+1

A dat

K N+1

A max

K N+15

AS

KP

idle

(internal

programming

cycle)

(L)

(L)

(L)

(L)

(L)

(L)

6.3 Serial EEPROM Byte Read from current address

Figure 6.3.1 SEP Byte Read Timings

SEPSCL

(OUT)

SEPSDA

(I/O)

status

(L)( 7()6 )( 5()4()3()2()1 )( 0 )

idle

S 1 0 1 0 b2 b1b0 1 Ad7d6d5d4 d3 d2d1d0 N S

T control byte K read data

KP

Ver. 1.1

Kawasaki LSI • 2570 North First Street • Suite 301 • San Jose, CA 95131 • Tel: (408) 570-0555 • Fax: (408) 570-0567 • www.klsi.com

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