CS5535 datasheet(439/555 Pages) NSC

439 / 555 page

Revision 0.8

439

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GPIO Subsystem Register Descriptions (Continued)

5.16.2.3

GPIO Output Open-Drain Enable (GPIO[x]_OUT_OD_EN)

These registers control the open-drain enable of the output for the low (GPIO[15:0]) and high (GPIO[31:16]) banks of

GPIOs. The open-drain is enabled if the feature bit is high. The open-drain is disabled if the feature bit is low.The reset

value forces all open-drains on the outputs to be disabled. (These registers use atomic programming, see Section 5.16.1 on

page 436 for details.)

GPIO Low Bank Output Open-Drain Enable

(GPIOL_OUT_OD_EN)

GPIO High Bank Output Open-Drain Enable

(GPIOH_OUT_OD_EN)

5.16.2.4

GPIO Output Invert Enable (GPIO[x]_OUT_INVRT_EN)

These registers control the output invert enable for the low (GPIO[15:0]) and high (GPIO[31:16]) banks of GPIOs. The out-

put is inverted if the feature bit is high. The output is not inverted if the feature bit is low. (These registers use atomic pro-

gramming, see Section 5.16.1 on page 436 for details.)

GPIO Low Bank Output Invert Enable

(GPIOL_OUT_INVRT_EN)

GPIO High Bank Output Invert Enable

(GPIOH_OUT_INVRT_EN)

GPIO I/O Offset

08h

Type

R/W

Reset Value

FFFF0000h

GPIO I/O Offset

88h

Type

R/W

Reset Value

FFFF0000h

GPIOL_OUT_OD_EN Register Map

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10

7654321

GPIOH_OUT_OD_EN Register Map

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10

7654321

GPIO I/O Offset

0Ch

Type

R/W

Reset Value

FFFF0000h

GPIO I/O Offset

8Ch

Type

R/W

Reset Value

FFFF0000h

GPIOL_OUT_INVRT_EN Register Map

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10

7654321

GPIOH_OUT_INVRT_EN Register Map

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10

7654321

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