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Cypress FM4 Series - Page 729

Cypress FM4 Series
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CHAPTER 12: I/O Port
FM4 Peripheral Manual, Doc. No. 002-04856 Rev. *E 729
[bit23:22] VPEN1E: IC1_VPEN Output Select bits
Selects output for IC1_VPEN.
bit
Description
Reading
Reads out the register value.
Writing
00
Does not produce output of Smart Card Interface ch.1 VPEN. [Initial value]
01
Uses IC1_VPEN_0 at the output pin of Smart Card Interface ch.1 VPEN.
10
Uses IC1_VPEN_1 at the output pin of Smart Card Interface ch.1 VPEN.
11
Uses IC1_VPEN_2 at the output pin of Smart Card Interface ch.1 VPEN.
[bit21:20] VPEN1E: IC1_RST Output Select bits
Selects output for IC1_RST.
bit
Description
Reading
Reads out the register value.
Writing
00
Does not produce output of Smart Card Interface ch.1 RST. [Initial value]
01
Uses IC1_RST_0 at the output pin of Smart Card Interface ch.1 RST.
10
Uses IC1_RST_1 at the output pin of Smart Card Interface ch.1 RST.
11
Uses IC1_RST_2 at the output pin of Smart Card Interface ch.1 RST.
[bit19:18] DATA1B: IC1_DATA Input/Output Select bits
Selects input/output for IC1_DATA.
bit
Description
Reading
Reads out the register value.
Writing
00
Uses IC1_DATA_0 at the input pin of Smart Card Interface ch.1 DATA.
Does not produce output. [Initial value]
01
Uses IC1_DATA_0 at the input/output pin of Smart Card Interface ch.1 DATA.
10
Uses IC1_DATA_1 at the input/output pin of Smart Card Interface ch.1 DATA.
11
Uses IC1_DATA_2 at the input/output pin of Smart Card Interface ch.1 DATA.
[bit17:16] CIN1S: IC1_CIN Input Select bits
Selects input for IC1_CIN.
bit
Description
Reading
Reads out the register value.
Writing
00
Uses IC1_CIN_0 at the input pin of Smart Card Interface ch.1 CIN. [Initial value]
01
Uses IC1_CIN_0 at the input pin of Smart Card Interface ch.1 CIN.
10
Uses IC1_CIN_1 at the input pin of Smart Card Interface ch.1 CIN.
11
Uses IC1_CIN_2 at the input pin of Smart Card Interface ch.1 CIN.
[bit15:12] Reserved: Reserved bits
0b0000 is read from these bits.
When writing these bits, set them to 0b0000.

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