SR176A5T1GE STMicroelectronics, SR176A5T1GE Datasheet - Page 15
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SR176A5T1GE
Manufacturer Part Number
SR176A5T1GE
Description
Manufacturer
STMicroelectronics
Datasheet
1.SR176A5T1GE.pdf
(35 pages)
Specifications of SR176A5T1GE
Operating Temperature (max)
85C
Operating Temperature Classification
Commercial
Lead Free Status / RoHS Status
Compliant
SR176
5.1
INITIATE()
Command Code = 06h,00h
Prior to any other command, the SR176 must be activated by an INITIATE command. All
other commands sent to the SR176 before the INITIATE are ignored. In response to
receiving the INITIATE command, the SR176 sends back its Chip_ID, using an 8-bit format
(Figure
Upon receiving a valid INITIATE command, the SR176 switches to the ACTIVE state, where
it will not answer to any new INITIATE command. Once In the ACTIVE state, the SR176 will
remain in this state until it receives a valid SELECT command.
Request parameters
Response parameters
Figure 14. INITIATE request format
Figure 15. INITIATE response format
Figure 16. 8-bit Chip_ID format
Figure 17. INITIATE frame exchange between Reader and SR176
Reader
SR176
none
Chip_ID (formatted as shown in
17).
SOF
SOF
b7
SOF
06h
06h
Reserved bits (block 15)
b6
(Figure
00h
(Figure
4 reserved bits
INITIATE
Chip_ID
+ 4-bit ID
CRC L
14):
b5
15):
00h
CRC H
Figure
b4
EOF
8 bits
16)
CRC L
b3
t 0
b3
8 bits
CRC L
4-bit Chip_ID of the SR176
t 1
Device operations (instructions)
CRC H
b2
8 bits
Block 15
SOF Chip_ID
CRC H
8 bits
b1
EOF
AI07701B
CRC L CRC H
b0
b0
AI07700B
EOF
AI07670B
AI09783
15/35
EOF