HD6473258P10 Renesas Electronics America, HD6473258P10 Datasheet - Page 151

• Manufacturer Part Number: HD6473258P10
• Description: IC H8 MCU OTP 32K 64DIP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/325r

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: -

Table 7-4. Sampling Clock Cycle for Various System Clock Frequencies
NCS1 NCS0 clock
0
0
1
1
Figure 7-15 shows an example of noise cancellation. In this example, an input capture pulse
narrower than four sampling clock cycles is rejected as noise.
FTI
input
0
1
0
1
Sampling signal
D
Latch
C
Sampling
—
Ø/32
Ø/64
Ø/128
Q
Sampling signal
Figure 7-14. Noise Canceler Block Diagram
D
Latch
C
10
—
3.2
6.4
12.8
Q
8
—
4.0
8.0
16.0
∆ t
∆ t: selected by NCS1 and NCS0
∆t
∆t: selected by NCS1 and NCS0
System clock (Ø) frequency (MHz)
D
Latch
C
Q
6
—
5.3
10.7
21.3
143
D
4
—
8.0
16.0
32.0
Latch
C
Q
2
—
16.0
32.0
64.0
Agreement
detector
1
—
32.0
64.0
128.0
(Unit: µs)
0.5
—
64.0
128.0
256.0
Fig 7-14
Noise
canceler
output