HD6473228F10V Renesas Electronics America, HD6473228F10V Datasheet - Page 153
HD6473228F10V
Manufacturer Part Number
HD6473228F10V
Description
MCU 5V 32K,PB-FREE 64-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/325r
Datasheet
1.HD6413238F10.pdf
(301 pages)
Specifications of HD6473228F10V
Core Processor
H8/300
Core Size
8-Bit
Speed
10MHz
Connectivity
SCI, UART/USART
Number Of I /o
53
Program Memory Size
8KB (8K x 8)
Program Memory Type
OTP
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
64-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Peripherals
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6473228F10V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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7.8 Application Notes
Application programmers should note that the following types of contention can occur in the free-
running timer.
(1) Contention between FRC Write and Clear: If an internal counter clear signal is generated
during the T
takes priority and the write is not performed.
Figure 7-17 shows this type of contention.
(2) Contention between FRC Write and Increment: If an FRC increment pulse is generated
during the T
priority and the FRC is not incremented.
Figure 7-18 shows this type of contention.
3
3
state of a write cycle to the lower byte of the free-running counter, the clear signal
state of a write cycle to the lower byte of the free-running counter, the write takes
Ø
Internal address bus
Internal write signal
FRC clear signal
FRC
Figure 7-17. FRC Write-Clear Contention
T
FRC lower byte write cycle
1
N
145
FRC address
T
2
T
3
H'0000
Fig 7-17
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