
NCN6001
http://onsemi.com
3
12
13
20
18
GND
L1
22 mH
9
1
2
3
4
5
7
8
6
10
19
17
16
15
14
11
Swa
Swb
C8
C4
CLK
RST
VCC
GND
I/O
17
18
7
4
3
2
1
5
8
SMARTCARD_C
ISO7816
GND
NCN6001
10 mF
U1
Figure 2. Typical Application
CLK_SPI
CLK_IN
MOSI
EN_RPU
MISO
CS
Lout_H
GND
CRD_VCC
CRD_CLK
CRD_IO
Lout_L
CRD_RST
CRD_DET
C8/S1
C4/S0
VCC
I/O
INT
VCC
PWR_GND
GND
C2
10 mF
J1
C1
MICROCONTROLLER
VCC
R1
47 k
CRD_DET
GROUND
3
9
1
2
6
10
5
8
7
15
11
19
17
16
12
EN_RPU
MOSI
CLK_SPI
CS
MISO
I/O
INT
CLK_IN
Lout_H
Lout_L
PWR_GND
CRD_VCC
CLOCK
DIVIDER
4
INTERRUPT BLOCK
DC/DC
CONVER
TER
GND
13
14
Figure 3. Block Diagram
PROGRAMMABLE
CARD DETECTION
18
DUAL
8
BIT
SHIFT
REGISTER
VCC
ADDRESS
DECODING
LOGIC CONTROL
ISO7816
SEQUENCER
CARD
PINS
DRIVER
20
C4/S0
C8/S1
CRD_RST
CRD_CLK
CRD_IO
b7
b6
b5
b4
b3
b2
b1
b0
b3
b2
b7
b6
b5
b4
b1
b0
GND
20 k
VCC
50 k
CRD_VCC
20 k
VCC
500 k
3 States