DTMFDECODER-RD Silicon Laboratories Inc, DTMFDECODER-RD Datasheet - Page 86
![KIT REF DESIGN DTMF DECODER](/photos/9/6/90685/dtmfdecoder-rd_sml.jpg)
DTMFDECODER-RD
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
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C8051F300/1/2/3/4/5
9.7.
If a Flash read/write/erase or program read targets an illegal address, a system reset is generated. This
may occur due to any of the following:
•
•
•
The FERROR bit (RSTSRC.6) is set following a Flash error reset. The state of the RST pin is unaffected by
this reset.
9.8.
Software may force a reset by writing a ‘1’ to the SWRSF bit (RSTSRC.4). The SWRSF bit will read ‘1’ fol-
lowing a software forced reset. The state of the RST pin is unaffected by this reset.
Table 9.2. Reset Electrical Characteristics
–40 to +85 °C unless otherwise specified.
86
Missing Clock Detector Timeout Time from last system clock ris-
V
RST Input Leakage Current
DD
Minimum RST Low Time to
Generate a System Reset
A Flash write or erase is attempted above user code space. This occurs when PSWE is set to ‘1’ and a
MOVX operation is attempted above the user code space address limit.
A Flash read is attempted above user code space. This occurs when a MOVC operation is attempted
above the user code space address limit.
A Program read is attempted above user code space. This occurs when user code attempts to branch
to an address above the user code space address limit.
RST Output Low Voltage
RST Input High Voltage
RST Input Low Voltage
Monitor Threshold (V
Reset Time Delay
Flash Error Reset
Software Reset
V
DD
Parameter
Ramp Time
C8051F300/1/2/3
Table 9.1. User Code Space Address Limits
C8051F304
C8051F305
RST
Device
)
reset source and code execution
Delay between release of any
I
OL
ing edge to reset initiation
= 8.5 mA, V
at location 0x0000
V
DD
RST = 0.0 V
Conditions
User Code Space Address Limit
= 0 to V
3.6 V
Rev. 2.9
DD
= 2.7 V to
RST
0x1DFF
0x0FFF
0x07FF
0.7 x V
2.40
Min
100
5.0
15
—
—
—
—
DD
2.55
Typ
220
25
—
—
—
—
—
—
0.3 x V
Max
2.70
500
0.6
40
—
—
—
1
DD
Units
ms
µA
µs
µs
µs
V
V
V
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