DF2117VT20V Renesas Electronics America, DF2117VT20V Datasheet - Page 325
DF2117VT20V
Manufacturer Part Number
DF2117VT20V
Description
MCU 16BIT FLASH 3V 160K 144-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Datasheet
1.DF2117VT20HV.pdf
(1040 pages)
Specifications of DF2117VT20V
Core Processor
H8S/2600
Core Size
16-Bit
Speed
20MHz
Connectivity
FIFO, I²C, LPC, SCI, SmartCard
Peripherals
POR, PWM, WDT
Number Of I /o
112
Program Memory Size
160KB (160K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 16x10b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
144-TQFP, 144-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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10.5.5
In phase counting mode, the phase difference between two external clock inputs is detected and
TCNT is incremented/decremented accordingly. This mode can be set for channels 1 and 2. When
phase counting mode is set, an external clock is selected as the counter input clock and TCNT
operates as an up/down-counter regardless of the setting of bits TPSC2 to TPSC0 and bits CKEG1
and CKEG0 in TCR. However, the functions of bits CCLR1 and CCLR0 in TCR, and of TIOR,
TIER, and TGR are valid, and input capture/compare match and interrupt functions can be used.
This can be used for two-phase encoder pulse input. When overflow occurs while TCNT is
counting up, the TCFV flag in TSR is set; when underflow occurs while TCNT is counting down,
the TCFU flag is set. The TCFD bit in TSR is the count direction flag. Reading the TCFD flag
provides an indication of whether TCNT is counting up or down. Table 10.20 shows the
correspondence between external clock pins and channels.
Table 10.20 Phase Counting Mode Clock Input Pins
(1)
Figure 10.25 shows an example of the phase counting mode setting procedure.
Channels
When channel 1 is set to phase counting mode
When channel 2 is set to phase counting mode
Example of Phase Counting Mode Setting Procedure
Phase Counting Mode
Figure 10.25 Example of Phase Counting Mode Setting Procedure
Select phase counting mode
<Phase counting mode>
Phase counting mode
Start count
[1]
[2]
[1]
[2]
Select phase counting mode with bits MD3 to
MD0 in TMDR.
Set the CST bit in TSTR to 1 to start the count
operation.
TCLKA
TCLKC
A-Phase
Rev. 2.00 Sep. 28, 2009 Page 283 of 994
External Clock Pins
B-Phase
TCLKB
TCLKD
REJ09B0452-0200
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