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参数资料
| 型号： | NCN6001DTBR2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 5/36页 |
| 文件大小： | 0K |
| 描述： | IC INTERFACE SMART CARD 20TSSOP |
| 标准包装： | 1 |
| 应用： | 智能卡 |
| 接口： | 微控制器 |
| 电源电压： | 2.75 V ~ 5.5 V |
| 封装/外壳： | 20-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 20-TSSOP |
| 包装： | 标准包装 |
| 安装类型： | 表面贴装 |
| 其它名称： | NCN6001DTBR2GOSDKR |
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NCN6001
http://onsemi.com
13
Read Register " READ_REG
The READ_REG register contains the data read from the
interface and from the external card. The selected register is
transferred to the MISO pin during the MOSI sequence
(CS = Low). Table 3 gives the bits definition.
Depending upon the programmed SPI_MODE, the
content of READ_REG is transferred on the MISO line
either on the Positive going (SPI_MODE = Special) or upon
the Negative going slope (SPI_MODE = Normal) of the
CLK_SPI signal. The external microcontroller shall discard
the three high bytes since they carry no valid data.
Table 3. MOSI AND MISO BITS IDENTIFICATIONS AND FUNCTIONS
MOSI
b7
b6
b5
b4
b3
b2
b1
b0
Operating Mode
0
1
0
1
0
1
0
1
0
1
0
RST
CLK
I/O
VCC
C4
VCC
C8
Asynchronous, Program Chip
Synchronous, Sets Card Bits
MISO
z
Card Detect
I/O
C4
C8
PWR Monitor
Read Back Data
ASYNCHRONOUS MODE
In this mode, the CRD_C4 and CRD_C8 pins are used to
define the physical addresses of the interfaces when a bank
of up to four NCN6001 share the same digital bus.
SYNCHRONOUS MODE
In this mode, CRD_C4 and CRD_C8 are connected to the
smart card and it is no longer possible to share the CS signal
with other device. Consequently, a dedicated Chip Select
signal must be provided when the interfaces operate in a
multiple operation mode (Figure 34).
On the other hand, since bits [b4 – b0] of the MOSI
register contain the smart card data, programming the
CRD_VCC output voltage shall be done by sending a
The CRD_RST pin reflects the content of the MOSI
WRT_REG[b4] during the chip programming sequence.
Since this bit shall be Low to address the internal register of
the chip, care must be observed as this signal will be
immediately transferred to the CRD_RST pin.
Since no physical address can exist when the chip operates
in this mode, the MOSI register must use the format
%100XXXXX to program the chip (%100 prefix, XXXXX
data).
Example:
LDAA #%10010111
;set RST = H, CLK = 1/1, VCC = 5.0 V
STAA MOSI
LDAA #%11010011
;SYNC. Card: set RST = H, CLK = L, IO = L, C4 = H, C8= H
STAA MOSI
LDAA #%00111110
;ASYNC. Card: set RST = H, CLK =
, VCC = 3.0 V
STAA MOSI
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相关代理商/技术参数 |
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|---|---|
| NCN6001MUTWG | 制造商:ON Semiconductor 功能描述:ANA COMPACT SMARTCARD IC - Tape and Reel 制造商:ON Semiconductor 功能描述:IC INTERFACE SMART CARD 制造商:ON Semiconductor 功能描述:REEL - ANA COMPACT SMARTCARD IC |
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| NCN6004AFTBR2 | 功能描述:输入/输出控制器接口集成电路 2.7V POS/ATM Smart RoHS:否 制造商:Silicon Labs 产品: 输入/输出端数量: 工作电源电压: 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:QFN-64 封装:Tray |
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