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K32L2AX Folha de dados(PDF) 76 Page - NXP Semiconductors

Nome de Peças K32L2AX
Descrição Electrónicos  K32 L2A Microcontroller with 512 KB Flash and 128 KB SRAM
PDF  96 Pages
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Fabricante Electrônico  NXP [NXP Semiconductors]
Página de início  http://www.nxp.com
Logo NXP - NXP Semiconductors

K32L2AX Folha de dados(HTML) 76 Page - NXP Semiconductors

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EMVSIMn_VCCEN
EMVSIMn_CLK
EMVSIMn_IO
2
T0
1
RESPONSE
EMVSIMn_RST
T1
3
3
Figure 20. Active-Low-Reset Smart Card Reset Sequence
The following table defines the general timing requirements for the EMVSIM
interface..
Table 45. Timing Specifications, Internal Reset Card Reset Sequence
Ref No
Min
Max
Units
1
—
200
EMVSIMx_CLK clock cycles
2
400
40,000
EMVSIMx_CLK clock cycles
3
40,000
—
EMVSIMx_CLK clock cycles
8.8.1.2 EMVSIM Power-Down Sequence
Following figure shows the EMV SIM interface power-down AC timing diagram.Table
46 table shows the timing requirements for parameters (SI7–SI10) shown in the figure.
The power-down sequence for the EMV SIM interface is as follows:
• EMVSIMn_SIMPD port detects the removal of the Smart Card
• EMVSIMn_RST is negated
• EMVSIMn_CLK is negated
• EMVSIM_IO is negated
• EMVSIMx_VCCENy is negated
Each of the above steps requires one OSC32KCLK period (usually 32 kHz, also known
as rtcclk in below figure). Power-down may be initiated by a Smart card removal
detection; or it may be launched by the processor.
Peripheral operating requirements and behaviors
76
K32 L2A Microcontroller with 512 KB Flash and 128 KB SRAM, Rev. 3, 02/2021
NXP Semiconductors



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