LRI512 Просмотр технического описания (PDF) - STMicroelectronics
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LRI512
STMicroelectronics
LRI512 Datasheet PDF : 54 Pages
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LRI512
WRITE AFI
Command Code = 0x27
When receiving the Write AFI Request, the LRI512
write the AFI byte value into its memory. The
Option_Flag is not supported.
During the write cycle tW, no modulation (never
100% nor 10%) shall occur. If so, the LRI512 may
not Write correctly the AFI value into the memory.
The tW delay is a multiple of t1nominal.
Request parameter (Table 40):
– UID (Optional)
– AFI
Response parameter (Table 41):
– No parameter.
Response parameter (Table 42):
– Error Code as Error_Flag is set
Table 40. Write AFI Request Format
Request
SOF
Request
Flags
Write AFI
8 bits
0x27
UID
64 bits
AFI
8 bits
CRC16
16 bits
Request
EOF
Table 41. Write AFI Response Format when Error Flag is NOT Set
Response SOF
Response_Flags
CRC16
8 bits
16 bits
Response EOF
Table 42. Write AFI Response Format when Error Flag is Set
Response SOF Response_Flags
Error Code
CRC16
8 bits
8 bits
16 bits
Response EOF
Figure 39. WRITE AFI Frame Exchange between VCD and LRI512
VCD
LRI512
LRI512
SOF
Write AFI
Request
EOF
SOF
t1
Write AFI
Response
EOF Write sequence when error
SOF
Write AFI
EOF
tw
t1
Response
AI06837
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