ADC3563 datasheet(49/74 Pages) TI

49 / 74 page

Figure 8-51. Register 0x13

E-FUSE LD

R/W-0

Table 8-19. Register 0x13 Field Descriptions

Bit

Field

Type

Reset

Description

7-1

R/W

Must write 0

E-FUSE LD

R/W

This register bit loads the internal bit mapping for different

interfaces. After setting the interface in register 0x07, this E-

FUSE LD bit needs to be set to 1 and reset to 0 for loading to go

into effect. Register 0x07 along with the E-Fuse Load (0x12, D0)

needs to be loaded first in the programming sequence since the

E-Fuse load resets the SPI writes.

0: E-FUSE LOAD set

1: E-FUSE LOAD reset

Figure 8-52. Register 0x14/15/16

CUSTOM PAT [7:0]

CUSTOM PAT [15:8]

TEST PAT B

TEST PAT A

CUSTOM PAT [17:16]

R/W-0

Table 8-20. Register 0x14/15/16 Field Descriptions

Bit

Field

Type

Reset

Description

7-0

CUSTOM PAT [17:0]

R/W

00000000

This register is used for two purposes:

•

It sets the constant custom pattern starting from MSB

•

It sets the RAMP pattern increment step size.

00001: Ramp pattern for 18-bit ADC

00100: Ramp pattern for 16-bit ADC

10000: Ramp pattern for 14-bit ADC

7-5

TEST PAT B

R/W

000

Enables test pattern output mode for channel B (NOTE: The test

pattern is set prior to the bit mapper and is based on native

resolution of the ADC starting from the MSB). These work in

either output format.

000: Normal output mode (test pattern output disabled)

010: Ramp pattern: need to set proper increment using

CUSTOM PAT register

011: Constant Pattern using CUSTOM PAT [17:0] in register

0x14/15/16.

others: not used

4-2

TEST PAT A

R/W

000

Enables test pattern output mode for channel A (NOTE: The test

pattern is set prior to the bit mapper and is based on native

resolution of the ADC starting from the MSB). These work in

either output format.

000: Normal output mode (test pattern output disabled)

010: Ramp pattern: need to set proper increment using

CUSTOM PAT register

011: Constant Pattern using CUSTOM PAT [17:0] in register

0x14/15/16.

others: not used

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ADC3563

SBAS990 – FEBRUARY 2021

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