HD64F3642AH Renesas Electronics America, HD64F3642AH Datasheet - Page 247
HD64F3642AH
Manufacturer Part Number
HD64F3642AH
Description
IC H8 MCU FLASH 16K 64QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Lr
Datasheet
1.HD64F3644HV.pdf
(551 pages)
Specifications of HD64F3642AH
Core Processor
H8/300L
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI
Peripherals
PWM, WDT
Number Of I /o
53
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
64-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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TCNTV Increment Timing: TCNTV is incremented by an input (internal or external) clock.
Internal clock
One of six clocks ( /128, /64, /32, /16, /8, /4) divided from the system clock ( ) can be
selected by bits CKS2 to CKS0 in TCRV0 and bit ICKS0 in TCRV1. Figure 9.4 shows the
timing.
External clock
Incrementation on the rising edge, falling edge, or both edges of the external clock can be
selected by bits CKS2 to CKS0 in TCRV0.
The external clock pulse width should be at least 1.5 system clocks ( ) when a single edge is
counted, and at least 2.5 system clocks when both edges are counted. Shorter pulses will not be
counted correctly.
Figure 9.5 shows the timing when both the rising and falling edges of the external clock are
selected.
Internal
clock
FRC
input
TCNTV
input
TCNTV
N – 1
Figure 9.4 Increment Timing with Internal Clock
N
Rev. 6.00 Sep 12, 2006 page 225 of 526
REJ09B0326-0600
Section 9 Timers
N – 1
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