M24LR04E-RDW6T/2 STMicroelectronics, M24LR04E-RDW6T/2 Datasheet - Page 83

• Manufacturer Part Number: M24LR04E-RDW6T/2
• Description: EEPROM 4-Kbit Dual EEPROM 1.8 to 5.5V 13.56Mhz
• Manufacturer: STMicroelectronics

Specifications of M24LR04E-RDW6T/2

• Product Category: EEPROM
• Memory Size: 4 Kbit
• Maximum Clock Frequency: 400 KHz
• Maximum Operating Current: 20 uA
• Operating Supply Voltage: 1.8 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: TSSOP-8
• Factory Pack Quantity: 1

M24LR04E-R
26.3
Read Single Block
On receiving the Read Single Block command, the M24LR04E-R reads the requested block
and sends back its 32-bit value in the response. The Protocol_extension_flag should be set
to 0 for the M24LR04E-R to operate correctly.
Table 40.
1. Gray means that the field is optional.
Request parameters:
Table 41.
1. Gray means that the field is optional.
Response parameters:
Table 42.
Table 43.
Response parameter:
Response
Request
Response
Reserved for future
b
SOF
SOF
7
SOF
Request flags
UID (optional)
Block number
Sector security status if Option_flag is set (see
Four bytes of block data
Error code as Error_flag is set
–
–
use. All at 0.
10h: the specified block is not available
15h: the specified block is read-protected
b
Request_
6
Read Single Block request format
Read Single Block response format when Error_flag is NOT set
Sector security status
Read Single Block response format when Error_flag is set
8 bits
flags
Response_
8 bits
flags
Response_flags
b
5
8 bits
Read Single
control bits
b
Password
Block
4
20h
Error code
Doc ID 022208 Rev 5
b
8 bits
3
status
security
Sector
8 bits
protection bits
b
64 bits
Read / Write
UID
2
(1)
(1)
b
Table
1
32 bits
Data
number
0: Current sector not locked
1: Current sector locked
42)
Block
CRC16
8 bits
16 bits
CRC16
16 bits
CRC16
16 bits
b
Command codes
0
Response
Response
Request
EOF
EOF
EOF
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