HD64F3687GFP Renesas Electronics America, HD64F3687GFP Datasheet - Page 236
HD64F3687GFP
Manufacturer Part Number
HD64F3687GFP
Description
IC H8 MCU FLASH 56K 64-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300H Tinyr
Datasheet
1.HD64F3684GFPV.pdf
(538 pages)
Specifications of HD64F3687GFP
Core Processor
H8/300H
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, SCI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
45
Program Memory Size
56KB (56K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
64-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Section 13 Timer Z
Rev.5.00 Nov. 02, 2005 Page 202 of 500
REJ09B0027-0500
External clock input pin
B. External clock operation
TCNT input
Figure 13.11 Count Timing at External Clock Operation (Both Edges Detected)
An external clock input pin (TCLK) can be selected by bits TPSC2 to TPSC0 in TCR, and
a detection edge can be selected by bits CKEG1 and CKEG0. To detect an external clock,
the rising edge, falling edge, or both edges can be selected. The pulse width of the external
clock needs two or more system clocks. Note that an external clock does not operate
correctly with the lower pulse width.
Figure 13.11 illustrates the detection timing of the rising and falling edges.
TCNT
N-1
N
N+1
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