w925e625 ETC-unknow, w925e625 Datasheet - Page 61

• Manufacturer Part Number: w925e625
• Description: 8-bit Cid Microcontroller
• Manufacturer: ETC-unknow

IFX OPC-9
DTMFR1
DTMFR1[7:4] are reserved bits and must be 0000b.
DTMFR2
The acceptable error percentage may have small variation by different test environments.
BIT3~BIT0
DTMFR2.4=0
DTMFR2.4=1
DTMFR2.5=0
DTMFR2.5=1
DTMFR2.6=0
DTMFR2.6=1
DTMFR2.7: reserved
BIT3~BIT0
1XXX
1XXX
01XX
01XX
001X
001X
0000
0001
0000
0001
0.5% (default)
1.5%
2.5%
Reserved
Reserved
0.6% (default)
2.5%
3.5%
Reserved
Reserved
DTMF receiver works as a DTMF receiver
DTMF receiver works as a tone detector
DTMF PT counter is up counter type, change of detected frequency does not effect
counter
DTMF PT counter is up counter type, change of detected frequency resets DTMF
PT counter
DTMF AT counter is up-down counter type, up counting when no DTMF detected,
down counting if DTMF detected again.
DTMF AT counter is up counter type, up counting when no DTMF detected, pause
counting if DTMF detected again.
ACCEPTABLE ERROR PERCENTAGE TO SAMPLE 4 PERIOD OF ROW FREQ.
ACCEPTABLE ERROR PERCENTAGE TO SAMPLE 4 PERIOD OF COL FREQ.
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Publication Release Date: July 4, 2005
W925E/C625
Revision A10