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參數(shù)資料
| 型號： | M34A08-VDW6T |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 2 Kbit Serial SMBus EEPROM for ACR Card Configuration |
| 中文描述： | 2千位串行EEPROM中的SMBus對于ACR卡配置 |
| 文件頁數(shù)： | 4/15頁 |
| 文件大?。?/td> | 123K |
| 代理商： | M34A08-VDW6T |
M34A02
4/15
For correct device operation, Serial Data (SDA)
must be stable before the rising edge of Serial
Clock (SCL), and the data must change onlyafter
Serial Clock (SCL) is Low.
Memory Addressing
To start communication between the bus master
and the slave device, the bus master must initiate
a Start condition. Following this, the bus master
sends the 8-bit byte, shown in Table 3, on Serial
Data (SDA) (most significant bit first). This
consists of the 7-bit Device Select code, and the
Read/Write bit (RW).
The Device Select Code consists of a 4-bit Device
Type Identifier, and a 3-bit Chip Enable “Address”
(E2, E1, E0). To address the memory array, the 4-
bit Device Type Identifier is 1011b.
Up to eight memory devices can be connected on
a single bus. Each one is given a unique 3-bit code
on Chip Enable (E0, E1, E2). When the Device
Select Code is received on Serial Data (SDA), the
device only responds if the Chip Select Code is the
Figure 5. ACR Serial Bus Protocol
SCL
SDA
SCL
SDA
SDA
START
Condition
SDA
Input
SDA
Change
AI00792B
STOP
Condition
1
2
3
7
8
9
MSB
ACK
START
Condition
SCL
1
2
3
7
8
9
MSB
ACK
STOP
Condition
Table 3. Device Select Code
1
Note: 1. The most significant bit, b7, is sent first.
Device Type Identifier
Chip Enable
RW
b7
b6
b5
b4
b3
b2
b1
b0
Device Select Code
1
0
1
1
E2
E1
E0
RW
相關(guān)PDF資料 |
PDF描述 |
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| M34C00 | SWITCH TACT 6MM SQ L=5.85MM160GF |
| M34C00-WDW6T | 3 x 128 bit Serial IC Bus EEPROM For ee-Tags |
| M34C00-WMN6T | 3 x 128 bit Serial IC Bus EEPROM For ee-Tags |
| M34C00MN | 3 x 128 bit Serial IC Bus EEPROM For ee-Tags |
| M34C00DW | 3 x 128 bit Serial IC Bus EEPROM For ee-Tags |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M34A08-VMN6T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:2 Kbit Serial SMBus EEPROM for ACR Card Configuration |
| M34C/S | 制造商:Brady 功能描述:WEAR EAR PROTECTION |
| M34C00 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3 x 128 bit Serial IC Bus EEPROM For ee-Tags |
| M34C00DW | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3 x 128 bit Serial IC Bus EEPROM For ee-Tags |
| M34C00MN | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3 x 128 bit Serial IC Bus EEPROM For ee-Tags |
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