Redbox User Handbook No 1
33
DIGIT
AL A
UDIO C
ONVERTERS - RB
-SC2
4
DIGITAL AUDIO CONVERTERS
MFQ:nn
- Limit Front Panel Frequency Selection
- ACK:
Where nn=0 for No Limit
nn=1 for 48kHz Limit &
nn=2 for 96kHz Limit
MOD:nn
- Set Mode & Select Sync Source
- ACK:
nn=00
- Master Mode
nn=08
- Auto Mode
nn=10
- Auto Lock Mode
nn=20
- Slave Mode
For last three modes add
nn=01
- Select External AES Sync input as sync source
nn=02
- Select Word Clock input as sync source
nn=03
- Select Other Digital input as sync source (X-Lock)
nn=04
- Select Optional Video input as sync source
REG:
- Register Dump
- Registers, then 4 lines of 8 x Rrr:dd
Where rr is register number and dd is value shown as 2 hex digits
SER:
- Serial Number request
- SER:012345
SRQ:
- Status Request
- STA:aa_bb_ss
Where aa = SRC 1 Status
bb = SRC 2 Status
ss = Sync Status
SS1:nn
- Select Channel 1 Digital Audio Source
-ACK:
nn=00 for AES/EBU
nn=01 for S/PDIF &
nn=02 for Optical
SS2:nn
- Select Channel 2 Digital Audio Source
-ACK:
nn=00 for AES/EBU
nn=01 for S/PDIF &
nn=02 for Optical
STK:
- Stack Dump
- STK: aaaa, then 6 lines Sadd:data
Where aaaa= current Stack Pointer,
add is memory address starting at 0800(hex)
and data is 16 bytes of data, each byte shown as 2 hex digits
UNL:
- Unlock Front Panel
- ACK:
UID:
- Unit ID Request
- UID:SC2
VER:
- Firmware Version Request
- VER:1.23 or BOOT:1.23
Fig 11: Serial Interface Commands and Responses
Error messages
The following error messages can be returned for illegal commands
Err:01
- return if Command Not Found
Err:02
- return if Missing Parameter
Err:04
- return if Parameter out of range
