ZENTRUM MIKROELEKTRONIK DRESDEN AG
“ASI for you” IC
Datasheet
ASI4U internal
Bit
Position
EEPROM Cell Content
EEPROM Register Content
Enables Synchronized Data I/O mode
E²PROM Address [hex]
13
0
1
Synchronous_Data_IO
P2_Sync_Data_IO_Activation If flag is set, the logic value at the parame-
ter pin P2 determines whether the Syn-
chonous Data IO Mode is active or inac-
tive.
If flag is not set, the Synchonous Data IO
Mode is always active if it was enabled by
the Synchronous_Data_IO flag.
2
3
Ext_Addr_4I/4O_Mode
ID_Code1_Protect
Enables 4 Input / 4 Output support in Ex-
tended Address Mode
If flag is set, ID_Code_Extension_1 is write
protected for user access.
In Extended Address Mode, only Bits 2…0
are blocked. Bit 3 is used for A/B slave
selection and must remain user accessi-
ble.
14
0 … 3
ID1_Bit0 … ID1_Bit3
Protected_ID_Code_Extension_1
If ID_Code1_Protect flag is set, an
Read_ID_Code_1 request will be an-
swered with the data stored in this register.
15
16
17
0 … 3
0 … 3
0 … 3
Trim Area, accessible by ZMD only
Firmware Area
User Area
Copyright © 2006, ZMD AG, Rev.1.4
All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. The
Information furnished in this publication is preliminary and subject to changes without notice.
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ZMD [ Zentrum Mikroelektronik Dresden AG ]
