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参数资料
| 型号： | ST7FSCR1E4U1 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, QCC64 |
| 封装： | QFN-64 |
| 文件页数： | 64/101页 |
| 文件大小： | 4506K |
| 代理商： | ST7FSCR1E4U1 |
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ST7SCR1E4 ST7SCR1R4
65/101
SMARTCARD INTERFACE (Cont’d)
SMARTCARD INTERFACE STATUS REGISTER
(CRDSR)
Read only (Read/Write on some bits)
Reset Value: 1000 0000 (80h)
Bit 7 =TxBEF Transmit Buffer Empty Flag.
- Read only
0: Transmit buffer is not empty
1: Transmit buffer is empty
Bit 6 = CRDIRF Card Insertion/Removal Flag.
- Read only
0: No card is present
1: A card is present
Bit 5 = IOVF Card Overload Current Flag.
- Read only
0: No card overload current
1: Card overload current
Bit 4 = VCARDOK Card voltage status Flag.
- Read only
0: The card voltage is not in the specified range
1: The card voltage is within the specified range
Bit 3 = WTF Waiting Time Counter overflow Flag.
- Read only
0: The WT Counter has not reached its maximum
value
1: The WT Counter has reached its maximum val-
ue
Bit 2 = TXCF Transmitted character Flag.
- Read/Write
This bit is set by hardware and cleared by soft-
ware.
0: No character transmitted
1: A character has been transmitted
Bit 1 = RXCF Received character Flag.
- Read only
This bit is set by hardware and cleared by hard-
ware when the CRDRXB buffer is read.
0: No character received
1: A character has been received
Bit 0 = PARF Parity Error Flag.
- Read/Write
This bit is set by hardware and cleared by soft-
ware.
0: No parity error
1: Parity error
Note: When a character is received, the RXCF bit
is always set.When a character is received with a
parity error, the PARF bit is also set.
7
0
TXBE
F
CRD
IRF
IOVF
VCARD
OK
WTF
TXC
F
RXC
F
PAR
F
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ST7FSCR1R4 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT LOW-POWER, FULL-SPEED USB MCU WITH 16K FLASH, 768 RAM, SMARTCARD I/F, TIMER |
| ST7FSCR1R4T1 | 功能描述:8位微控制器 -MCU 8-BIT Lw Pwr USB MCU W/ 16K FLASH RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| ST7FUS-PRIMER | 功能描述:程序设计器 - 基于处理器 Low-Cost Eval Dev Tool Pack RoHS:否 制造商:Olimex Ltd. 产品:Programmers 工具用于评估:XMEGA, MegaAVR, tinyAVR 核心:AVR 接口类型:USB 工作电源电压:1.8 V to 5.5 V |
| ST7FUS-SK/RAIS | 制造商:STMicroelectronics 功能描述:Evaluation and Application Development with ST7Ultralite |
| ST7GEME4 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Full-speed USB MCU with smartcard firmware and EMV/non-EMV interface |
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