HD6473258P10V Renesas Electronics America, HD6473258P10V Datasheet - Page 174
HD6473258P10V
Manufacturer Part Number
HD6473258P10V
Description
MCU 5V 32K PB-FREE 64-DIP
Manufacturer
Renesas Electronics America
Series
H8® H8/325r
Specifications of HD6473258P10V
Core Size
8-Bit
Program Memory Size
32KB (32K x 8)
Oscillator Type
External
Core Processor
H8/300
Speed
10MHz
Connectivity
SCI, UART/USART
Number Of I /o
53
Program Memory Type
OTP
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Operating Temperature
-20°C ~ 75°C
Package / Case
64-DIP
No. Of I/o's
53
Ram Memory Size
1024Byte
Cpu Speed
10MHz
No. Of Timers
3
Digital Ic Case Style
DIP
Supply Voltage
RoHS Compliant
Controller Family/series
H8/330
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Peripherals
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6473258P10V
Manufacturer:
RENESAS
Quantity:
600
Part Number:
HD6473258P10V
Manufacturer:
HITACHI/日立
Quantity:
20 000
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The pulse that increments the timer counter is generated at the falling edge of the internal clock
source signal. If clock sources are changed when the old source is high and the new source is low,
as in case No. 3 in table 8-5, the changeover generates a falling edge that triggers the TCNT clock
pulse and increments the timer counter.
Switching between an internal and external clock source can also cause the timer counter to
increment. This type of switching should be avoided at external clock edges.
Table 8-5. Effect of Changing Internal Clock Sources
No.
1
2
*
*
1
2
Including a transition from low to the stopped state (CKS1 = 0, CKS0 = 0), or a transition from
the stopped state to low.
Including a transition from the stopped state to high.
Description
Low
CKS1 and CKS0 are
rewritten while both
clock sources are low.
Low
CKS1 and CKS0 are
rewritten while old
clock source is low and
new clock source is high.
Low*
High*
1
2
:
:
Old clock
source
New clock
source
TCNT clock
pulse
TCNT
Old clock
source
New clock
source
TCNT clock
pulse
TCNT
167
N
N
CKS rewrite
Timing chart
N + 1
CKS rewrite
N + 1
N + 2
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