DF2266TF13V Renesas Electronics America, DF2266TF13V Datasheet - Page 549
DF2266TF13V
Manufacturer Part Number
DF2266TF13V
Description
IC H8S/2266 MCU FLASH 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2200r
Datasheet
1.DF2266TF20V.pdf
(712 pages)
Specifications of DF2266TF13V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
13MHz
Connectivity
I²C, SCI, SmartCard
Peripherals
LCD, POR, PWM, WDT
Number Of I /o
67
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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18.4
18.4.1
The DTMF generation circuit provides synthesized row and column groups output waveforms or
sine waveforms (DTCR signal) of row or column group from TONED pin. These signals are
produced in the high-precision resistor rudder-type D/A converter. The output frequency is set in
DTCR.
Figure 18.3 shows the TONED pin output equivalent circuit. Figure 18.4 shows a single output
waveform of column or row group alone. One cycle of the output waveform is divided into 32,
resulting in low-distortion stable signal waveforms.
Table 18.2 shows DTMF generation circuit output signal and typical signal frequencies, and
frequency deviation between the two.
Figure 18.4 TONED Pin Output Waveform (Row or Column Group Alone)
Operation
Output Waveform
Output control
AV
AV
CC
SS
1 2 3 4 5 6 7 8 9 10111213141516171819202122232425
Figure 18.3 TONED Pin Output Equivalent Circuit
control
Time slot
Row
Column
Rev. 5.00 Sep. 01, 2009 Page 497 of 656
Section 18 DTMF Generation Circuit
26272829
303132
REJ09B0071-0500
AV
AV
TONED
CC
SS
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