Instruction Manual

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Réf. : SCT TMO MASV3 SPEC
30
Rev. : H
Réf. sec. : 2x xxx xxx – x
Date : 12/05/04
DRAFT
Document
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. All rights of reproduction and disclosure reserved.
Page 13
This document contains information on a product under development. SAGEM reserves the right to change or discontinue this product
without notice.
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A serial interface is provided on the module to manage an external LCD (256 colours) through data input
signal (DIMIW), data output signal (DOMIW), clock (CKMIW) and chip select (CSMIW1*).
Power supply of the LCD (VRIO) is also provided through this interface.
This interface could be used to manage one serial LCD or one melody chip (or other chipset using this
interface).
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T
w(SCLK)
Pulse duration, serial port clock
38
-
T
c(SCLK)
Cycle time, serial port clock
77
-
T
d(SDO)
Delay time, data valid after CLK falling
-
10
T
h(SDO)
Hold time, data valid after CLK falling
0
-
T
w(nSCSx)
Pulse duration, EN port
38
-
T
d(nSCSx)
Delay time, En after CLk rising
10
-
T
s(SDI)
Setup, data valid before CLK rising
15
-
T
h(SDI)
Hold time, data valid after CLK rising
15
-
T
s(nSCSx)
Setup, data valid before CLK falling
10
-
T
h(nSCSx)
Hold time, EN after CLK falling edge
10
-
This interface includes main protections.