参数资料
型号: RWD-MIFARE
厂商: RF Solutions
文件页数: 10/35页
文件大小: 0K
描述: MOD RCVR RFID MIFARE 13.56MHZ
标准包装: 1
系列: MIFARE®
RF 型: 读/写
频率: 13.56MHz
封装/外壳: 24-DIP 模块
供应商设备封装: 模块
包装: 散装
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Card STATUS
Command to return card status.
The acknowledge byte flags indicate general Mifare card status.
B7 B0
Command:
Acknowledge:
0 1 0 1 0 0 1 1
1 F F F F F F X
(Ascii “S”, 0x53)
(F = Status flags)
Program EEPROM
The Micro RWD has some internal EEPROM for storing system parameters such as polling
rate and authorised identity codes (serial numbers). This command sequence allows individual
bytes of the EEPROM to be programmed with new data. The data is internally read back after
programming to verify successful operation. Note that due to the fundamental nature of these
system parameters, incorrect data may render the system temporarily inoperable.
B7 B0
Command:
Argument1:
Argument2:
Acknowledge:
0 1 0 1 0 0 0 0
N N N N N N N N
D D D D D D D D
1 X X X F X X F
(Ascii “P”, 0x50)
(N = EEPROM memory location 0 - 255)
(D = data to write to EEPROM)
(F = Status flags)
Internal EEPROM memory map
Polling delay parameter values (EEPROM location 0):
Parameter 0 value
Polling Delay
SLEEP Period
0x00
0x10
0x20
0x30
0x40
0x50
0x60
0x70
0x80
0x90
0xA0
0xB0
0 mS
8 mS
16 mS
32 mS
65 mS
132 mS
262 mS
524 mS
1 second
2 seconds
4 seconds
8 seconds
(SLEEP and power-down is skipped)
Polling delay can be set from 0 to 8 seconds to give complete control over current
consumption and battery life. Note that setting Polling delay = 0x00 skips the SLEEP and
power-down operation so polling is as fast as possible (and current consumption is highest).
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