Datasheet, Confidential - D e t a i l e d D e s c r i p t i o n I C m o d e S e r i a l D a t a B u s
AS3665
2
Figure 25. Program Write - Slave Receiver Mode
<Slave Address>
<FEh>
Program_Direct_Access
<Addr.-start: n>
S
1000XXX
0
A
11111110
A
XXXXXXXX
A
< Program(n)-MSB>                <Program(n)-LSB> <Program(n+1)-MSB>
<Program(n+X)-LSB>
XXXXXXXX
A
XXXXXXXX
A
XXXXXXXX
A
XXXXXXXX
A
P
S - Start
A - Acknowledge (ACK)
P - Stop
Data Transferred
(X + 1 program words + Acknowledge)
Note: Each program word has 2x8 Bits
Cmd_F_LSB (I C registers area 60h to 7Fh) .
Program Download using Page Select
First the register page_select is set to the program page, which should be accessed. Then the program page (part of or
full page) can be downloaded to the registers Cmd_0_MSB , Cmd_0_LSB , Cmd_1_MSB , Cmd_1_LSB ... Cmd_F_MSB ,
2 15
Table 55. Page_Select Register
Addr: 5Fh
Page_Select Register
Bit
Bit Name
Default Access
Description
Selects program page for download
000
001
010
page 0 - Addr 00h-0Fh
page 1 - Addr 10h-1Fh
page 2 - Addr 20h-2Fh
2:0
page_select
000b
R/W
011
page 3 - Addr 30h-3Fh
100
101
110
111
page 4 - Addr 40h-4Fh
page 5 - Addr 50h-5Fh
don’t use
don’t use
15.Setting page_select and writing of the program content shall use separate I C commands (see Blockwrite/
2
read boundaries on page 43)
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