Cypress FM4 Series - Page 714

CHAPTER 12: I/O Port
714 FM4 Peripheral Manual, Doc. No. 002-04856 Rev. *E
[bit17:16] HBDQ4B: GE_HBDQ4 Input/Output Select bits
Selects input/output for GE_HBDQ4.
bit
Description
Reading
Reads out the register value.
Writing
00
Does not produce input/output of HyperBus Interface GE_HBDQ4. [Initial value]
01
Uses GE_HBDQ4_0 at the input/output pin of HyperBus Interface GE_HBDQ4.
10
Setting is prohibited.
11
Setting is prohibited.
[bit15:14] HBDQ3B: GE_HBDQ3 Input/Output Select bits
Selects input/output for GE_HBDQ3.
bit
Description
Reading
Reads out the register value.
Writing
00
Does not produce input/output of HyperBus Interface GE_HBDQ3. [Initial value]
01
Uses GE_HBDQ3_0 at the input/output pin of HyperBus Interface GE_HBDQ3.
10
Setting is prohibited.
11
Setting is prohibited.
[bit13:12] HBDQ2B: GE_HBDQ2 Input/Output Select bits
Selects input/output for GE_HBDQ2.
bit
Description
Reading
Reads out the register value.
Writing
00
Does not produce input/output of HyperBus Interface GE_HBDQ2. [Initial value]
01
Uses GE_HBDQ2_0 at the input/output pin of HyperBus Interface GE_HBDQ2.
10
Setting is prohibited.
11
Setting is prohibited.
[bit11:10] HBDQ1B: GE_HBDQ1 Input/Output Select bits
Selects input/output for GE_HBDQ1.
bit
Description
Reading
Reads out the register value.
Writing
00
Does not produce input/output of HyperBus Interface GE_HBDQ1. [Initial value]
01
Uses GE_HBDQ1_0 at the input/output pin of HyperBus Interface GE_HBDQ1.
10
Setting is prohibited.
11
Setting is prohibited.
[bit9:8] HBDQ0B: GE_HBDQ0 Input/Output Select bits
Selects input/output for GE_HBDQ0.
bit
Description
Reading
Reads out the register value.
Writing
00
Does not produce input/output of HyperBus Interface GE_HBDQ0. [Initial value]
01
Uses GE_HBDQ0_0 at the input/output pin of HyperBus Interface GE_HBDQ0.
10
Setting is prohibited.
11
Setting is prohibited.