HD64F3694H Renesas Electronics America, HD64F3694H Datasheet - Page 209
HD64F3694H
Manufacturer Part Number
HD64F3694H
Description
IC H8 MCU FLASH 32K 64QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300H Tinyr
Datasheet
1.HD64F3694GFYV.pdf
(452 pages)
Specifications of HD64F3694H
Core Processor
H8/300H
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, SCI
Peripherals
PWM, WDT
Number Of I /o
29
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2K 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-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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12.6
The following types of contention or operation can occur in timer W operation.
1. The pulse width of the input clock signal and the input capture signal must be at least two
2. Writing to registers is performed in the T2 state of a TCNT write cycle.
3. Depending on the timing, TCNT may be incremented by a switch between different internal
4. If timer W enters module standby mode while an interrupt request is generated, the interrupt
system clock ( ) cycles; shorter pulses will not be detected correctly.
If counter clear signal occurs in the T2 state of a TCNT write cycle, clearing of the counter
takes priority and the write is not performed, as shown in figure 12.24. If counting-up is
generated in the TCNT write cycle to contend with the TCNT counting-up, writing takes
precedence.
clock sources. When TCNT is internally clocked, an increment pulse is generated from the
rising edge of an internal clock signal, that is divided system clock ( ). Therefore, as shown in
figure 12.25 the switch is from a low clock signal to a high clock signal, the switchover is seen
as a rising edge, causing TCNT to increment.
request cannot be cleared. Before entering module standby mode, disable interrupt requests.
Usage Notes
Address
Write signal
Counter clear
signal
TCNT
Figure 12.24 Contention between TCNT Write and Clear
TCNT write cycle
N
TCNT address
T1
T2
H'0000
Rev.5.00 Nov. 02, 2005 Page 179 of 418
Section 12 Timer W
REJ09B0028-0500
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