CDB6422 Cirrus Logic Inc, CDB6422 Datasheet - Page 11

• Manufacturer Part Number: CDB6422
• Description: Development Kit
• Manufacturer: Cirrus Logic Inc

Specifications of CDB6422

• Silicon Manufacturer: Cirrus Logic
• Application Sub Type: Telephone
• Kit Application Type: Communication & Networking
• Silicon Core Number: CS6422
• Description/function: Audio DSPs
• Operating Supply Voltage: 5 V to 12 V
• Product: Audio Modules
• Kit Contents: Evaluation Board
• Rohs Compliant: No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With/related Products: CS6422

3.2.19 pu [1..4] - Push Button Up Event
3.2.20 vol_up - CS6422 RVol Up
3.2.21 vol_down - CS6422 RVol Down
3.2.22 mute - Mute
DS295DB2
[1..4] have been released
Button 3 - VOL_DOWN - decrements the
Button 4 - VOL_UP - increments the
A. Message indicating that push button(s)
B. No pushes to MSG Stack
A. Increment the CS6422 RVol volume
level by 3dB to a max value of '+30dB'
B. Pushes “wr [abc0]” to the MSG Stack
C. No arguments needed
A. Decrement the CS6422 RVol volume
level by 3dB to a min value of 'mute'
B. Pushes “wr [abc0]” to the MSG Stack
C. No arguments needed
A. Sets the CS6422 TVol to 'mute',
HDD=RSD=TSD='1',
ACC=NCC='cleared'
B. Pushes “swd “ events on the MSG Stack
C. No arguments needed
write the value formed by the buttons
pushed to the CS6422 (i.e. push “wr
[wxyz]” onto the MSG Stack)
2nd push: next 1 'kd [x]' event will push
a 'recall [x]' onto the MSG Stack
3rd push: next 1 'kd [x]' event will push
a 'save [x]' onto the MSG Stack
4th push: returns Keypad Mode to de-
fault DTMF state
CS6422 receive volume by 3dB
CS6422 receive volume by 3dB
3.2.23 unmute - Unmute
3.2.24 save [x] - Save Current CS6422 Con-
3.2.25 recall [x] - Recall CS6422 Configu-
3.2.26 ring - DAA Ring Event
3.2.27 mwr [abcd ef g] - Memory Write
3.2.28 uc - UC Jumper Set
from the Configuration set in EEPROM
tected a ring signal on the phone line
mand is pushed onto the MSG Stack
either SRAM (g = 'r') or EEPROM (g = 'e')
is installed, enabling the microcontroller to
drive the uC interface of the CS6422
A. Restores CS6422 state from 'mute' com-
mand
B. No arguments needed
A. Saves the current CS6422 register set
into Configuration 'x' ('x' = 0-9) in EE-
PROM
B. No pushes to MSG Stack
A. Reconfigures the CS6422 with Configu-
ration set 'x'
B. Pushes 6 'wr' commands with arguments
A. Message indicating the the DAA has de-
B. After 3 ring signals, an “off_hook” com-
C. No arguments needed
A. Writes the byte $ef to address $abcd in
B. No pushes to MSG Stack
A. Message indicating that the jumper UC
B. No arguments needed
C. No pushes to MSG Stack
figuration
ration
(8515)
CDB6422
11