參數(shù)資料
型號(hào): T555200-PAE
廠商: ATMEL CORP
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PXMA
文件頁(yè)數(shù): 4/16頁(yè)
文件大小: 1154K
代理商: T555200-PAE
12
4697B–RFID–06/06
T5552
5.
EEPROM Memory Organization
The memory array of the T5552 consists of 1,056 bits of EEPROM, arranged in 32 individually
addressable blocks of 33 bits each, consisting of one lock bit and 32 data bits. All 33 bits, includ-
ing the lock bit, are programmed simultaneously.
The programming voltage is generated on-chip.
5.1
Lock Bit
Each block has an associated write lock bit that protects the entire block. By default all lock bits
L are reset ('0').
Once set, the lock bit and the content of the associated block cannot be altered.
5.2
Memory Map
The configuration data of the T5552 is stored in block 0 of the EEPROM.
The remaining 31 data blocks (1 to 31) each consist of 1 lock bit and 32 user data bits.
Figure 5-1.
Memory Map
L
Block 0
Block 1
Block 2
Block 29
Block 30
Block 31
Configuration data block
33 bits total (incl. one lock bit)
User data bits
132
0
Not transmitted
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