cs5378 Cirrus Logic, Inc., cs5378 Datasheet - Page 11

• Manufacturer Part Number: cs5378
• Description: Low-power Single-channel Decimation Filter
• Manufacturer: Cirrus Logic, Inc.

DS639F1
PLL[2:0]
SPI Registers
Digital Filter Registers
110
101
100
011
010
001
000
111
SPICTRL
SPICMD
SPIDAT1
SPIDAT2
CONFIG
RESERVED
GPCFG
RESERVED
FILTCFG
GAIN
RESERVED
OFFSET
RESERVED
TIMEBRK
TBSCFG
TBSGAIN
SYSTEM1
SYSTEM2
VERSION
SELFTEST
32.768 MHz clock input (PLL bypass).
1.024 MHz clock input.
2.048 MHz clock input.
4.096 MHz clock input.
32.768 MHz clock input (PLL bypass).
1.024 MHz manchester input.
2.048 MHz manchester input.
4.096 MHz manchester input.
Name
Name
Mode Selection on Reset
09 - 0B
Table 4. PLL and BOOT Mode Reset Configurations
00 - 02
03 - 05
06 - 08
01-0D
0F-1F
Addr.
Addr.
22-24
26-28
0E
2C
2D
2E
00
20
21
25
29
2A
2B
2F
Table 3. SPI and Digital Filter Registers
Type
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
8, 8, 8
8, 8, 8
8, 8, 8
8, 8, 8
# Bits
# Bits
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
SPI Control
SPI Command
SPI Data 1
SPI Data 2
Hardware Configuration
Reserved
GPIO[7:0] Direction, Pull-up Enable, and Data
Reserved
Digital Filter Configuration
Gain Correction
Reserved
Offset Correction
Reserved
Time Break Delay
Test Bit Stream Configuration
Test Bit Stream Gain
User Defined System Register 1
User Defined System Register 2
Hardware Version ID
Self-Test Result Code
Configuration Note:
States of the PLL[2:0] and BOOT pins are
latched immediately after reset to select modes.
These pins have a weak (~100 kΩ) pull-up re-
sistor enabled by default. An external 10 kΩ
pull-down is required to set a low condition.
BOOT
1
0
EEPROM boot
Microcontroller boot
Mode Selection on Reset
Description
Description
CS5378
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