st8004 STMicroelectronics, st8004 Datasheet - Page 4

• Manufacturer Part Number: st8004
• Description: Smartcard Interface
• Manufacturer: STMicroelectronics

Pin configuration
2
Figure 2.
Table 1.
4/26
Pin N°
10
11
12
13
14
15
16
17
18
19
1
2
3
4
5
6
7
8
9
Pin configuration
Pin connections
Pin description
CLKDIV1
CLKDIV2
CMDV
Symbol
V
CGND
PGND
5V/3V
PRES
PRES
AUX2
AUX1
V
RST
CLK
THSEL
C1+
V
V
C1-
I/O
DDP
CC
UP
CC
Control of CLK Frequency
Control of CLK Frequency
V
Power Ground for Step-Up converter
External Cap. for Step-Up converter
Power Supply for Step-Up converter
External Cap. Step-Up converter
Output of Step-Up converter
Card Presence Input (Active Low)
Card Presence Input (Active High)
Data Line to and from card (C7) (internal 10kΩ pull-up resistor connected to V
Auxiliary line to and from card (C8) (internal 10kΩ pull-up resistor connected to V
Auxiliary line to and from card (C4) (internal 10kΩ pull-up resistor connected to V
Ground for card signal (C5)
Clock to card (C3)
Card Reset (C2)
Supply Voltage for the card (C1)
Deactivation threshold selector pin (under voltage lock-out)
Start activation sequence input (Active Low)
CC
selection pin.
Name and function
ST8004
CC
)
CC
CC
)
)