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AT83C24B-PRRUL

更新时间： 2024-01-08 07:29:26

品牌	Logo	应用领域
爱特美尔 - ATMEL		微控制器和处理器外围集成电路 uCs集成电路 uPs集成电路异步传输模式 ATM
页数	文件大小	规格书
42页	551K
描述
Smart Card Reader Interface with Power Management

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技术参数
数据手册

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AT83C24B-PRRUL 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	SOP, SOP28,.56	Reach Compliance Code：	compliant
风险等级：	5.08	JESD-30 代码：	R-PDSO-G28
JESD-609代码：	e3	湿度敏感等级：	3
端子数量：	28	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	SOP	封装等效代码：	SOP28,.56
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE
电源：	3/5 V	认证状态：	Not Qualified
子类别：	Other Microprocessor ICs	表面贴装：	YES
温度等级：	INDUSTRIAL	端子面层：	Matte Tin (Sn) - annealed
端子形式：	GULL WING	端子节距：	1.27 mm
端子位置：	DUAL	uPs/uCs/外围集成电路类型：	MICROPROCESSOR CIRCUIT
Base Number Matches：	1

AT83C24B-PRRUL 数据手册

AT83C24

Address Byte

The first byte to send to the device is the address byte. The device controls if the hardware

address (A2/CK, A1/RST, A0/3V pins on reset) corresponds to the address given in the

address byte (A2, A1, A0 bits).

If the level is not stable on A2/CK pin (or A1/RST pin, or A0/3V pin) at reset, the user has to send

the commands to the possible address taken by the device.

If A2/CK to A0/3V are tied to the host microcontroller and their reset values are unknown, a gen-

eral call on the TWI bus allows to reset all the AT83C24 devices and set their address after

A2/CK to A0/3V are fixed.

Figure 2. Address Byte

R/W

Slave Address on 7 Bits

1 for READ Command

0 for WRITE Command

Up to 8 devices can be connected on the same TWI bus. Each device is configured with a differ-

ent combination on A2/CK, A1/RST, A0/3V pins. The corresponding address byte values for

read/write operations are listed below.

Table 2. Address Byte Values

Address Byte

for

Address Byte

for

(A2/CK pin)

(A1/RST pin)

(A0/3V pin)

Read

Write

Command

0x41

0x43

0x45

0x47

0x49

0x4B

0x4D

0x4F

0x40

0x42

0x44

0x46

0x48

0x4A

0x4C

0x4E

4234F–SCR–10/05

1...4 5 678 9 10...42

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