DTMFDECODER-RD Silicon Laboratories Inc, DTMFDECODER-RD Datasheet - Page 142

• Manufacturer Part Number: DTMFDECODER-RD
• Description: KIT REF DESIGN DTMF DECODER
• Manufacturer: Silicon Laboratories Inc

Specifications of DTMFDECODER-RD

• Mfg Application Notes: DTMF Decoder Ref Design AppNote
• Main Purpose: Telecom, DTMF Decoder
• Embedded: No
• Utilized Ic / Part: C8051F300
• Primary Attributes: 8kHz Sampling Rate ADC
• Secondary Attributes: 16 Goertzel Filters
• Processor To Be Evaluated: C8051F300
• Interface Type: RS-232
• 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: 336-1283

C8051F300/1/2/3/4/5
142
Table 14.6. Timer Settings for Standard Baud Rates Using an External 3.6864 MHZ
Notes:
1.
2.
SCA1–SCA0 and T1M bit definitions can be found in
X = Don’t care
Baud Rate
230400
115200
230400
115200
Target
57600
28800
14400
57600
28800
14400
(bps)
9600
2400
1200
9600
Baud Rate
% Error
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
Oscillator
Factor
Divide
1536
3072
128
256
384
128
256
384
16
32
64
16
32
64
Frequency: 3.6864 MHz
Oscillator
Rev. 2.9
SYSCLK / 12
SYSCLK / 12
Timer Clock
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
SYSCLK
SYSCLK
SYSCLK
SYSCLK
SYSCLK
SYSCLK
Source
Section
SCA1–SCA0
(pre-scale
select)
15.1.
XX
XX
XX
XX
XX
XX
00
00
11
11
11
11
11
11
2
2
2
2
2
2
1
T1M
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
Value (hex)
Timer 1
Reload
0xFC
0xE0
0xC0
0xC0
0xFF
0xFE
0xE8
0xF8
0xF0
0x80
0x40
0x80
0xF8
0xF0