HD6473258P10 Renesas Electronics America, HD6473258P10 Datasheet - Page 171
HD6473258P10
Manufacturer Part Number
HD6473258P10
Description
IC H8 MCU OTP 32K 64DIP
Manufacturer
Renesas Electronics America
Series
H8® H8/325r
Datasheet
1.HD6413238F10.pdf
(301 pages)
Specifications of HD6473258P10
Core Processor
H8/300
Core Size
8-Bit
Speed
10MHz
Connectivity
SCI, UART/USART
Number Of I /o
53
Program Memory Size
32KB (32K x 8)
Program Memory Type
OTP
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
64-DIP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Peripherals
-
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8.6 Application Notes
Application programmers should note that the following types of contention can occur in the 8-bit
timer.
(1) Contention between TCNT Write and Clear: If an internal counter clear signal is generated
during the T
is not performed.
Figure 8-13 shows this type of contention.
H’00
H’FF
TCORA
TCORB
TMO pin
3
state of a write cycle to the timer counter, the clear signal takes priority and the write
Internal Address
bus
Internal write
signal
Counter clear
signal
TCNT
Figure 8-13. TCNT Write-Clear Contention
Ø
Figure 8-12. Example of Pulse Output
TCNT
Write cycle: CPU writes to TCNT
T
1
N
TCNT address
164
T
2
Clear counter
T
3
Figure 7-13
H’00
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