HD6473228F10V Renesas Electronics America, HD6473228F10V Datasheet - Page 156

• Manufacturer Part Number: HD6473228F10V
• Description: MCU 5V 32K,PB-FREE 64-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/325r

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: -

Table 7-5. Effect of Changing Internal Clock Sources
No.
1
2
3
* The switching of clock sources is regarded as a falling edge that increments the FRC.
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.
High
CKS1 and CKS0 are
rewritten while old
clock source is high and
new clock source is low.
Low:
High:
Low:
Timing chart
Old clock
source
New clock
source
FRC clock
pulse
FRC
Old clock
source
New clock
source
FRC clock
pulse
FRC
Old clock
source
New clock
source
FRC clock
pulse
FRC
148
N
N
N
CKS rewrite
N + 1
CKS rewrite
N + 1
CKS rewrite
N + 1
*
N + 2
N + 2
Table 7-5 (b)
Table 7-5 (a)
Table 7-5 (c)