参数资料
型号: X3100V28Z
厂商: INTERSIL CORP
元件分类: 电源管理
英文描述: 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO28
封装: ROHS COMPLIANT, PLASTIC, MO-153AE, TSSOP-28
文件页数: 20/41页
文件大小: 561K
代理商: X3100V28Z
27
FN8110.1
January 3, 2008
EEPROM Read Sequence (EEREAD)
When reading from the X3100 or X3101 EEPROM
memory, CS is first pulled LOW to select the device.
The 8-bit EEREAD instruction is transmitted to the
X3100 or X3101, followed by the 16-bit address, of
which the last 9 bits are used (bits [15:9] specified to be
zeroes). After the EEREAD opcode and address are
sent, the data stored in the memory at the selected
address is shifted out on the SO line. The data stored in
memory at the next address can be read sequentially
by continuing to provide clock pulses. The address is
automatically incremented to the next higher address
after each byte of data is shifted out. When the highest
address is reached (01FFh), the address counter rolls
over to address 0000h, allowing the read cycle to be
continued indefinitely. The read operation is terminated
by taking CS HIGH. Refer to the EEPROM Read
(EEREAD) operation sequence illustrated in Figure 13.
Figure 13. EEPROM (EEREAD) Read Operation Sequence
0
123
456
789
CS
SCK
SI
SO
High Impedance
EEREAD Instruction
(1 Byte)
Byte Address (2 Byte)
Data Out
15 14
32
10
20 21 22 23 24 25 26 27 28 29 30
76
543
210
31
X3100, X3101
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