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Número de pieza | FM1704 | |
Descripción | Universal card reader chip | |
Fabricantes | Fudan | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de FM1704 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
No Preview Available ! FM1702/1704/1705
通用读卡机芯片
技术手册
2011.07
FM1702_1704_1705 通用读卡机芯片
1.0
技术手册
1
1 page 目录
7.2 访问规则 ......................................................................................................................................................... 42
7.3 控制FIFO......................................................................................................................................................... 42
7.4 FIFO状态信息................................................................................................................................................. 43
7.5 FIFO相关寄存器............................................................................................................................................. 43
8 中断请求系统.......................................................................................................................................................... 44
8.1 概述 ................................................................................................................................................................. 44
8.1.1 中断源概述 ............................................................................................................................................. 44
8.2 中断应用 ......................................................................................................................................................... 44
8.2.1 控制中断请求及其标识 ......................................................................................................................... 44
8.2.2 访问中断寄存器 ..................................................................................................................................... 45
8.3 IRQ管脚配置................................................................................................................................................... 45
8.4 中断相关寄存器.............................................................................................................................................. 45
9 TIMER .................................................................................................................................................................... 46
9.1 概述 ................................................................................................................................................................. 46
9.2 TIMER应用 ..................................................................................................................................................... 46
9.2.1 控制TIMER ............................................................................................................................................. 46
9.2.2 TIMER时钟周期.......................................................................................................................................... 47
9.2.3 TIMER状态.................................................................................................................................................. 47
9.3 TIMER用途 ..................................................................................................................................................... 47
9.3.1 TIMER-OUT和WATCH-DOG-COUNTER.................................................................................................. 47
9.3.2 STOP WATCH.............................................................................................................................................. 47
9.3.3 PROGRAMMABLE ONE-SHOT TIMER ..................................................................................................... 47
9.3.4 PERIODICAL TRIGGER............................................................................................................................. 47
9.4 TIMER相关寄存器 ......................................................................................................................................... 47
10 省电工作模式...................................................................................................................................................... 49
10.1
10.2
10.3
10.4
HARD POWER DOWN 模式............................................................................................................................... 49
SOFT POWER DOWN模式.................................................................................................................................. 49
STAND BY 模式 ............................................................................................................................................... 50
接收器关闭...................................................................................................................................................... 50
11 启动过程.............................................................................................................................................................. 51
11.1 HARD POWER DOWN 阶段............................................................................................................................... 51
11.2 复位阶段 ......................................................................................................................................................... 51
11.3 初始化阶段...................................................................................................................................................... 51
11.4 初始化并行接口方式...................................................................................................................................... 52
12 振荡器电路.......................................................................................................................................................... 53
13 发射管脚TX1 和TX2.......................................................................................................................................... 54
13.1 配置TX1 和TX2.............................................................................................................................................. 54
13.2 工作距离与功耗的关系.................................................................................................................................. 54
13.3 脉冲宽度 ......................................................................................................................................................... 54
14 接收电路.............................................................................................................................................................. 56
14.1 概述 ................................................................................................................................................................. 56
14.2 信号接收过程.................................................................................................................................................. 56
14.3 接收器操作...................................................................................................................................................... 56
14.3.1 Q时钟自动校准 ...................................................................................................................................... 56
14.3.2 放大器 ..................................................................................................................................................... 57
14.3.3 相关电路 ................................................................................................................................................. 57
14.3.4 求值及数字化电路 ................................................................................................................................. 57
FM1702_1704_1705 通用读卡机芯片
1.0
技术手册
5
5 Page 3 管脚信息
3.2 管脚描述
引脚序号
1
2
3
4
5
6
7
8
9
10
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12
13
13
…
20
21
22
23
24
25
26
27
28
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30
31
32
引脚名称
OSCIN
IRQ
MFIN
MFOUT
TX1
TVDD
TX2
TVSS
NCS
NWR
R/NW
nWrite
NRD
NDS
nDstrb
DVSS
D0
D0-D7
AD0-
AD7
ALE
AS
nAStrb
NSS
A0
nWait
MOSI
A1
A2
SCK
DVDD
AVDD
AUX
AVSS
RX
VMID
RSTPD
OSCOUT
类型
I
O
I
O
O
PWR
O
PWR
I
I
I
I
I
I
I
PWR
O
I/O
I/O
I
I
I
I
I
O
I
I
I
I
PWR
PWR
O
PWR
I
PWR
I
O
引脚描述
晶振输入:fosc = 13.56MHz
中断请求:输出中断源请求信号
串行输入:接收满足 ISO14443A 协议的数字串行信号
串行输出:输出满足 ISO14443A 协议的数字串行信号
发射口 1:输出经过调制的 13.56MHz 信号
发射器电源:提供 TX1 和 TX2 的输出能量
发射口 2:输出经过调制的 13.56MHz 信号
发射器地
片选信号:选择并激活微处理器和 FM1702/1704/1705 的接口
写信号:将数据从 D0-D7 口写入 FM1702/1704/1705 的内部寄存器(行
接口读写信号线分开模式)
读/写信号:选择读/写周期(并行接口读写信号线共用模式)
读/写信号:选择读/写周期(EPP 并行接口读写信号线共用)
读信号:从 D0-D7 口读出 FM1702/1704/1705 内部寄存器的数据(并行
接口读写信号线分开)
读写周期选通:选择读/写周期(并行接口读写信号线共用)
数据选通:选择读/写周期(EPP 并行接口)
数字地
主入从出(MISO):SPI 接口下数据输出
8 位双向数据总线
8 位双向数据/地址总线
地址锁存使能:高电平时将 AD0-AD5 锁入内部地址锁存器
地址选通:高电平时将 AD0-AD5 锁入内部地址锁存器(通用读/写接口)
地址选通:低电平时将 AD0-AD5 锁入内部地址锁存器(EPP 并行接口)
接口选通:选通 SPI 接口模式
地址线 bit0:地址寄存器 0 位
等待信号输出:低电平时数据输出,高电平结束(EPP 并行接口)
主出从入:SPI 接口下数据输入
地址线 bit1:地址寄存器 1 位
地址线 bit2:地址寄存器 2 位
串行时钟:SPI 接口下时钟信号
数字电源
模拟电源
模拟测试信号输出:输出模拟测试信号
模拟地
接收口:接收外部天线耦合过来的 13.56MHz 卡回应信号
内部参考电压:输出内部参考电压
注意:该管脚必须外接 68nF 电容
复位及掉电信号:高电平时复位内部电路,晶振停止工作,内部输入管脚
和外部电路隔离;下沿触发内部复位程序
晶振输出
表 3-1 FM1702/1704/1705 管脚描述
FM1702_1704_1705 通用读卡机芯片
1.0
技术手册
11
11 Page |
Páginas | Total 30 Páginas | |
PDF Descargar | [ Datasheet FM1704.PDF ] |
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