參數(shù)資料
型號(hào)： 73S8010R-IMR/F
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 22/25頁(yè)
文件大?。?/td> 0K
描述： IC SMART CARD INTERFACE 32-QFN
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,500
控制器類型： 智能卡接口
接口： I²C
電源電壓： 2.7 V ~ 5.5 V
電流 - 電源： 1.5mA
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 32-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 32-QFN（5x5）
包裝： 帶卷 (TR)
73S8010R Data Sheet
DS_8010R_022
6
Rev. 1.6
Table 1 describes the pin functions for the device.
Table 1: 73S8010R Pin Definitions
Pin
Name
Pin
(SO28)
Pin
(QFN32)
Type
Description
Card Interface
I/O
11
8
IO
Card I/O: Data signal to/from card. Includes a pull-up
resistor to VCC.
AUX1
13
11
IO
AUX1: Auxiliary data signal to/from card. Includes a
pull-up resistor to VCC.
AUX2
12
10
IO
AUX2: Auxiliary data signal to/from card. Includes a
pull-up resistor to VCC.
RST
16
14
O
Card reset: provides reset (RST) signal to card.
CLK
15
13
O
Card clock: provides clock signal (CLK) to card. The
crystal oscillator frequency and CLKSEL bits in the
control register determine the rate of this clock.
PRES
10
7
I
Card Presence switch: active high indicates card is
present. Includes a pull-down resistor.
VCC
17
15
PSO
Card power supply – logically controlled by the
sequencer, output of LDO regulator. Requires an
external filter capacitor to GND.
GND
14
12
GND
Card ground.
Miscellaneous Inputs and Outputs
XTALIN
24
23
I
Crystal oscillator input: can be connected to crystal or
driven as a source for the card clock.
XTALOUT
25
24
O
Crystal oscillator output: connected to crystal. Left
open if XTALIN is being used as an external clock
input.
VDDF_ADJ
18
17
I
VDD threshold adjustment input: this pin can be used
to overwrite a higher VDDF value (that controls
deactivation of the card). Must be left open if unused.
NC
7, 8, 9
4,5,6,9,
16,25,32
–
Non-connected pin.
Power Supply and Ground
VDD
21
20
System interface supply voltage and supply voltage
for internal circuitry.
VPC
6
3
LDO regulator power supply source.
GND
4
1
GND
LDO regulator ground.
GND
14
12
GND
Smart card I/O ground.
GND
5, 22
2,21
GND
Digital ground.
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