參數(shù)資料
型號(hào): 73S1209F-44MR/F/PD
廠商: Maxim Integrated
文件頁數(shù): 113/123頁
文件大小: 0K
描述: IC SOC SMART CARD READER 44QFN
標(biāo)準(zhǔn)包裝: 2,500
系列: *
DS_1209F_004
73S1209F Data Sheet
Rev. 1.2
9
Pin Name
Pin
(68
QFN)
Pin
(44
QFN)
Type
Equivalent
Circuit*
Description
INT2
52
32
I
General purpose interrupt input.
SIO
50
31
IO
IO data signal for use with external Smart Card interface
circuit such as 73S8010.
SCLK
48
30
O
Clock signal for use with external Smart Card interface
circuit.
PRES
64
43
I
Smart Card presence. Active high. Note: the pin has a
very weak pull down resistor. In noisy environments, an
external pull down may be desired to insure against a
false card event.
PRESB
56
35
I
Smart Card presence. Active low. Note: the pin has a
very weak pull up resistor. In noisy environments, an
external pull up may be desired to insure against a false
card event.
CLK
57
36
O
Smart card clock signal.
RST
59
38
O
Smart card Reset signal.
IO
63
42
IO
Smart card Data IO signal.
AUX1
62
41
IO
Auxiliary Smart Card IO signal (C4).
AUX2
61
40
IO
Auxiliary Smart Card IO signal (C8).
VCC
60
39
PSO
Smart Card VCC supply voltage output. A 0.47
μF
capacitor is required and should be located at the smart
card connector. The capacitor should be a ceramic type
with low ESR.
GND
58
37
GND
Smart Card Ground.
VPC
55
34
PSI
Smart Card LDO regulator power supply source. A
10
μF and a 0.1μF capacitor are required at the VPC
input. The 10
μF capacitor should be a ceramic type
with low ESR.
TBUS(3:0)
0
1
2
3
53
49
47
43
IO
Trace bus signals for ICE.
RXTX
45
28
IO
ICE control.
ERST
40
25
IO
ICE control.
ISBR
68
IO
ICE control.
TCLK
41
26
I
ICE control.
ANA_IN
15
10
AI
Analog input pin. This signal goes to a programmable
comparator and is used to sense the value of an
external voltage.
SEC
67
2
I
Input pin for use in programming security fuse. It should
be connected to ground when not in use.
TEST
54
33
DI
Test pin, should be connected to ground.
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