tda8025hn NXP Semiconductors, tda8025hn Datasheet - Page 5

• Manufacturer Part Number: tda8025hn
• Description: Ic Card Interface
• Manufacturer: NXP Semiconductors

NXP Semiconductors
7. Pinning information
TDA8025_1
Product data sheet
7.1 Pinning
7.2 Pin description
Table 3.
Symbol
CMDVCCN
TEST1
TEST2
V
CLKDIV2
CLKDIV1
VCC_SEL1
VCC_SEL2
PRESN
PRES
I/O
AUX2
AUX1
Fig 2.
DD(INTF)
Pin configuration (HVQFN32)
Pin description
Pin Type
1
2
3
4
5
6
7
8
9
10
11
12
13
I
I
I
P
I
I
I
I
I
I
I/O
I/O
I/O
index area
CMDVCCN
VCC_SEL1
VCC_SEL2
terminal 1
V
CLKDIV2
CLKDIV1
DD(INTF)
[1]
TEST1
TEST2
Rev. 01 — 6 April 2009
Description
microcontroller start activation sequence input; active LOW
test pin; connect to GND
test pin; connect to GND
interface supply voltage
sets the clock frequency; used together with pin CLKDIV1;
see
sets the clock frequency; used together pin CLKDIV2; see
page 12
optional 1.2 V selection control signal:
3 V or 1.8 V selection control signal:
card presence contact input; active LOW
card presence contact input; active HIGH
card input/output data line (C7)
card auxiliary 2 input/output data line (C8)
card auxiliary 1 input/output data line (C4)
active HIGH: V
active LOW: disables 1.2 V selection
active LOW: V
active HIGH: V
Table 4 on page 12
1
2
3
4
5
6
7
8
Transparent top view
TDA8025
CC
CC
CC
= 3 V
= 1.2 V
= 1.8 V when pin VCC_SEL1 is active LOW
[3]
24
23
22
21
20
19
18
17
001aai958
TEST3
OFFN
RSTIN
V
GND
V
V
RST
DDI(REG)
DD(INTREGD)
CC
[2]
[2]
[3]
[3]
TDA8025
© NXP B.V. 2009. All rights reserved.
IC card interface
Table 4 on
5 of 38