HD64F3644DV Renesas Electronics America, HD64F3644DV Datasheet - Page 43

• Manufacturer Part Number: HD64F3644DV
• Description: IC H8/3644 MCU FLASH 64QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Lr

Specifications of HD64F3644DV

• Core Processor: H8/300L
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI
• Peripherals: PWM, WDT
• Number Of I /o: 53
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

2.3.1
Data of all the sizes above can be stored in general registers as shown in figure 2.3.
1-bit data
1-bit data
Byte data
Byte data
Word data
4-bit BCD data
4-bit BCD data
Legend:
RnH:
RnL:
MSB:
LSB:
Data Type
Upper byte of general register
Lower byte of general register
Most significant bit
Least significant bit
Data Formats in General Registers
Register No.
RnH
RnL
RnH
RnL
Rn
RnH
RnL
MSB
MSB
15
7
7
7
7
Figure 2.3 General Register Data Formats
Upper digit
6
5
don’t care
don’t care
don’t care
4
4
3
3
Lower digit
2
1
Data Format
LSB
Rev. 6.00 Sep 12, 2006 page 21 of 526
0
0
0
0
MSB
7
7
7
7
Upper digit
6
5
don’t care
don’t care
don’t care
4
4
REJ09B0326-0600
3
3
Section 2 CPU
Lower digit
2
1
LSB
LSB
0
0
0
0
0