CDB42528 Cirrus Logic Inc, CDB42528 Datasheet - Page 59

• Manufacturer Part Number: CDB42528
• Description: BOARD EVAL FOR CS42528/CS49300
• Manufacturer: Cirrus Logic Inc

Specifications of CDB42528

• Main Purpose: Audio, Audio Processing
• Embedded: Yes, DSP
• Utilized Ic / Part: CS49300, CS42528
• Primary Attributes: 8 Single-Ended Analog Inputs and Outputs, 4 S/PDIF Inputs and 2 S/PDIF Outputs
• Secondary Attributes: Parallel, RS422, RS232, UDSP Interfaces
• Product: Audio Modules
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 598-1503

DS339F7
WRITE_*(HW_CONFIG_MSG,
WRITE_*(SW_CONFIG_MSG,
RESET(LOW)
ABOOT(LOW)
AUTOBOOT COMPLETE
RESET(HIGH)
WAIT 200 MS
WRITE_*(KICKSTART,
CORRECT VALUE?
READ_*(VARIABLE)
RELEASE ABOOT
(NOTE 4)
(NOTE 4)
(NOTE 4)
(NOTE 4)
HW_MSG_SIZE)
SW_MSG_SIZE)
MSG_SIZE)
Y
(NOTE 1)
(NOTE 3)
(NOTE 2)
N
Figure 36. Autoboot Sequence
WAIT 5 MS
Notes: 1. RESET must be held LOWT
2. The RD and WR pins must be configured to select a
3. INTREQ should be ignored during this period. 200 ms
4. The READ_* and WRITE_* functions are
serial communication mode as defined in the
CS493XX Datasheet. The setup (T
(T
AUTOBOOT pins.
is typical but this time is application code specific and
may be higher. Wait times should be verified by the
designer.
placeholders for the READ_I2C/READ_SPI and
WRITE_I2C/WRITE_SPI functions defined in
6.1, “Serial Communication” on page
rsthld
) times must be observed for the RD, WR, and
CS49300 Family DSP
rstl
.
rstsu
36.
) and hold
Section
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