參數(shù)資料
型號： LRI512-C40
廠商： 意法半導(dǎo)體
元件分類： DRAM
英文描述： EEPROM
中文描述： EEPROM的
文件頁數(shù)： 37/54頁
文件大?。?/td> 351K
代理商： LRI512-C40
37/54
LRI512
ACTIVATE EAS
Command Code = 0xA0
When receiving the Activate EAS Request, the
LRI512 set the non-volatile EAS bit. The
Option_Flag is not supported.
During the write cycle t
W
, no modulation (never
100% nor 10%) shall occur. If so, the LRI512 may
not set correctly the EAS bit. The t
W
delay is a mul-
tiple of t
1nominal
.
Request parameter (Table 46):
– UID (Optional)
Response parameter (Table 47):
– No parameter.
Response parameter (Table 48):
– Error Code as Error_Flag is set
Table 46. Activate EAS Request Format
Table 47. Activate EAS Response Format when Error Flag is NOT Set
Table 48. Activate EAS Response Format when Error Flag is Set
Figure 41. ACTIVATE EAS Frame Exchange between VCD and LRI512
Request
SOF
Request
Flags
Activate EAS
IC Mfg code
UID
CRC16
Request
EOF
8 bits
0xA0
0x02
64 bits
16 bits
Response SOF
Response_Flags
CRC16
Response EOF
8 bits
16 bits
Response SOF
Response_Flags
Error Code
CRC16
Response EOF
8 bits
8 bits
16 bits
AI06839
VCD
LRI512
LRI512
t1
EOF
SOF
EOF
SOF
Write sequence when error
SOF
EOF
t1
tw
Activate EAS
Request
Activate EAS
Response
Activate EAS
Response
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