DF3052BX25V Renesas Electronics America, DF3052BX25V Datasheet - Page 374
DF3052BX25V
Manufacturer Part Number
DF3052BX25V
Description
MCU 5V 512K 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Specifications of DF3052BX25V
Core Processor
H8/300H
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
70
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF3052BX25V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 374 of 847
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Section 10 16-Bit Integrated Timer Unit (ITU)
Rev. 3.00 Mar 21, 2006 page 344 of 814
REJ09B0302-0300
Internal
clock
TCNT input
TCNT
TCNT count timing
GR
H'0000
STR bit
IMF
Internal clock source
Bits TPSC2 to TPSC0 in TCR select the system clock ( ) or one of three internal clock
sources obtained by prescaling the system clock ( /2, /4, /8).
Figure 10.17 shows the timing.
External clock source
Bits TPSC2 to TPSC0 in TCR select an external clock input pin (TCLKA to TCLKD), and
its valid edge or edges are selected 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 10.18 shows the timing when both edges are detected.
TCNT value
N – 1
Figure 10.17 Count Timing for Internal Clock Sources
Figure 10.16 Periodic Counter Operation
N
Counter cleared by general
register compare match
N + 1
Time
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