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K32L2AX Datasheet(PDF) 75 Page - NXP Semiconductors

Part # K32L2AX
Description  K32 L2A Microcontroller with 512 KB Flash and 128 KB SRAM
PDF  96 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

K32L2AX Datasheet(HTML) 75 Page - NXP Semiconductors

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EMVSIMn_CLK
EMVSIMn_IO
2
T0
RESPONSE
1
EMVSIMn_VCCEN
Figure 19. Internal Reset Card Reset Sequence
The following table defines the general timing requirements for the SIM interface.
Table 44. Timing Specifications, Internal Reset Card Reset Sequence
Ref
Min
Max
Units
1
—
200
EMVSIMx_CLK
clock cycles
2
400
40,000
EMVSIMx_CLK
clock cycles
8.8.1.1.2 Smart Cards with Active Low Reset
Following figure shows the reset sequence for Smart cards with active low reset. The
reset sequence comprises the following steps::
• After power-up, the clock signal is enabled on EMVSIMn_CLK (time T0)
• After 200 clock cycles, EMVSIMn_IO must be asserted.
• EMVSIMn_RST must remain low for at least 40,000 clock cycles after T0 (no
response is to be received on RX during those 40,000 clock cycles)
• EMVSIMn_RST is asserted (at time T1)
• EMVSIMn_RST must remain asserted for at least 40,000 clock cycles after T1,
and a response must be received on EMVSIMn_IO between 400 and 40,000 clock
cycles after T1.
Peripheral operating requirements and behaviors
K32 L2A Microcontroller with 512 KB Flash and 128 KB SRAM, Rev. 3, 02/2021
75
NXP Semiconductors



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