73S8024RN-20IM 查看數據表（PDF） - Teridian Semiconductor Corporation
零件编号
产品描述 (功能)
生产厂家
73S8024RN-20IM Datasheet PDF : 27 Pages
| |||
DS_8024RN_020
73S8024RN Data Sheet
1 Pin Description
CARD INTERFACE
Name
Pin
28SO
I/O
11
Pin
20QFN
5
AUX1
13
–
AUX2
12
–
RST
CLK
16
8
15
7
PRES
PRES
VCC
GND
10
4
9
3
17
9
14
6
Pin
32QFN
8
11
10
14
13
7
6
15
12
Description
Card I/O: Data signal to/from card. Includes a pull-up
resistor to VCC.
AUX1: Auxiliary data signal to/from card. Includes a
pull-up resistor to VCC.
AUX2: Auxiliary data signal to/from card. Includes a
pull-up resistor to VCC.
Card reset: provides reset (RST) signal to card.
Card clock: provides clock signal (CLK) to card. The rate
of this clock is determined by the external crystal
frequency or frequency of the external clock signal applied
on XTALIN and CLKDIV selections.
Card Presence switch: active high indicates card is
present. Should be tied to GND when not used, but it
Includes a high-impedance pull-down current source.
Card Presence switch: active low indicates card is
present. Should be tied to VDD when not used, but it
Includes a high-impedance pull-up current source.
Card power supply – logically controlled by sequencer,
output of LDO regulator. Requires an external filter
capacitor to the card GND.
Card ground.
MISCELLANEOUS INPUTS AND OUTPUTS
Name
Pin
Pin
Pin Description
28SO 20QFN 32QFN
XTALIN
24
15
23 Crystal oscillator input: can either be connected to crystal
or driven as a source for the card clock.
XTALOUT
25
16
24 Crystal oscillator output: connected to crystal. Left open
if XTALIN is being used as external clock input.
VDDF_ADJ
18
–
17 VDD fault threshold adjustment input: this pin can be used
to adjust the VDDF values (that controls deactivation of the
card). Must be left open if unused.
NC
5
–
2, 9, Non-connected pin.
16, 25,
32
POWER SUPPLY AND GROUND
Name
Pin
Pin
28SO 20QFN
VDD
21
12
VPC
GND
GND
6
2
4
1
22
13
Pin
32QFN
20
3
1
21
Description
System interface supply voltage and supply voltage for
internal circuitry.
LDO regulator power supply source.
LDO Regulator ground.
Digital ground.
Rev. 1.8
5
Share Link: 