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| 型号： | CAT34AC02RE-1.8TE13 |
| 英文描述： | 2K-Bit SMBus EEPROM for ACR Card Configuration |
| 中文描述： | 的2K位的SMBus对于ACR卡的EEPROM配置 |
| 文件页数： | 4/10页 |
| 文件大小： | 68K |
| 代理商： | CAT34AC02RE-1.8TE13 |
CAT34AC02
4
Doc. No. 1025, Rev. E
FUNCTIONAL DESCRIPTION
The CAT34AC02 supports the SMBus data transmission
protocol. This serial protocol defines any device that
sends data to the bus to be a transmitter and any device
receiving data to be a receiver. Data transfer is controlled
by the Master device which generates the serial clock
and all START and STOP conditions for bus access. The
CAT34AC02 operates as a Slave device. Both the
Master and Slave devices can operate as either
transmitter or receiver, but the Master device controls
which mode is activated. A maximum of 8 devices may
be connected to the bus as determined by the device
address inputs A0, A1, and A2.
PIN DESCRIPTIONS
SCL:
Serial Clock
The CAT34AC02 serial clock input pin is used to clock
all data transfers into or out of the device. This is an input
pin.
SDA:
Serial Data/Address
The CAT34AC02 bidirectional serial data/address pin is
used to transfer data into and out of the device. The SDA
pin is an open drain output and can be wire-ORed with
other open drain or open collector outputs.
A0, A1, A2:
Device Address Inputs
These inputs set device address when cascading multiple
devices. A maximum of eight devices can be cascaded
when using the device.
WP:
Write Protect
This input, when tied to GND, allows write operations to
the entire memory. For CAT34AC02 when this pin is tied
to V
CC
, the entire array of memory is write protected.
When left floating, memory is unprotected.
Figure 3. Start/Stop Timing
Figure 2. Write Cycle Timing
Figure 1. Bus Timing
tHIGH
SCL
SDA IN
SDA OUT
tLOW
tF
tLOW
tR
tBUF
tSU:STO
tSU:DAT
tHD:DAT
tHD:STA
tSU:STA
tAA
tDH
tWR
STOP
CONDITION
START
CONDITION
ADDRESS
ACK
8TH BIT
BYTE n
SCL
SDA
START BIT
SDA
STOP BIT
SCL
相关PDF资料 |
PDF描述 |
|---|---|
| CAT34AC02UA-1.8 | 2K-Bit SMBus EEPROM for ACR Card Configuration |
| CAT34AC02UA-1.8TE13 | 2K-Bit SMBus EEPROM for ACR Card Configuration |
| CAT34AC02UA-TE13 | 2K-Bit SMBus EEPROM for ACR Card Configuration |
| CAT34AC02YI-1.8TE13 | 2K-Bit SMBus EEPROM for ACR Card Configuration |
| CAT34AC02YI-TE13 | 2K-Bit SMBus EEPROM for ACR Card Configuration |
相关代理商/技术参数 |
参数描述 |
|---|---|
| CAT34AC02RE-TE13 | 制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:2K-Bit SMBus EEPROM for ACR Card Configuration |
| CAT34AC02RI | 制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:2K-Bit SMBus EEPROM for ACR Card Configuration |
| CAT34AC02RI-1.8 | 制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:2K-Bit SMBus EEPROM for ACR Card Configuration |
| CAT34AC02RI-1.8TE13 | 制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:2K-Bit SMBus EEPROM for ACR Card Configuration |
| CAT34AC02RI-TE13 | 制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:2K-Bit SMBus EEPROM for ACR Card Configuration |
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