D13008VXI25V Renesas Electronics America, D13008VXI25V Datasheet - Page 258
D13008VXI25V
Manufacturer Part Number
D13008VXI25V
Description
MCU 3V 0K I-TEMP PB-FREE 100-TQF
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Specifications of D13008VXI25V
Core Processor
H8/300H
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
PWM, WDT
Number Of I /o
35
Program Memory Type
ROMless
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
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
-
Program Memory Size
-
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8. 16-Bit Timer
• 16TCNT count timing
Rev.4.00 Aug. 20, 2007 Page 212 of 638
REJ09B0395-0400
φ
Internal
clock
16TCNT input
clock
16TCNT
⎯ Internal clock source
⎯ External clock source
GR
H'0000
STR bit
IMF
Bits TPSC2 to TPSC0 in 16TCR select the system clock (φ) or one of three internal clock
sources obtained by prescaling the system clock (φ/2, φ/4, φ/8).
Figure 8.15 shows the timing.
The external clock pin (TCLKA to TCLKD) can be selected by bits TPSC2 to TPSC0 in
16TCR, and the detected edge by bits CKEG1 and CKEG0. The rising edge, falling edge,
or both edges can be selected.
The pulse width of the external clock signal must be at least 1.5 system clocks when a
single edge is selected, and at least 2.5 system clocks when both edges are selected. Shorter
pulses will not be counted correctly.
Figure 8.16 shows the timing when both edges are detected.
16TCNT value
N − 1
Figure 8.15 Count Timing for Internal Clock Sources
Figure 8.14 Periodic Counter Operation
N
Counter cleared by general
register compare match
Time
N + 1
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