HD64F7044F28V Renesas Electronics America, HD64F7044F28V Datasheet - Page 35

• Manufacturer Part Number: HD64F7044F28V
• Description: IC SUPERH MCU FLASH 112QFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7040r

Specifications of HD64F7044F28V

• Core Processor: SH-2
• Core Size: 32-Bit
• Speed: 28.7MHz
• Connectivity: EBI/EMI, SCI
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 74
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 112-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

The DSP type logical data format has no decimal point. The data format and valid data length vary
with the instruction and DSP register.
Figure 3.4 shows the three DSP data formats and the position of the two binary decimal points, as
well as the SuperH data format (as reference).
SuperH integer (word)
Arithmetic shift (PSHA)
DSP fixed decimal
Logical shift (PSHL)
Multiplication input
DSP integer data
DSP logical data
With guard bits
With guard bits
No guard bits
No guard bits
(reference)
point data
S: Sign bit
: Binary decimal point
: Unrelated to processing (ignored)
39
39
39
39
S
S
Figure 3.4 DSP Data Formats
32
32
31
S
31
31
31
31
31
31
31
S
S
31
S
30
30
30
22
S
21
S
16
16 15
16
16
16
16
15
15
15
15
Rev. 5.00 Jun 30, 2004 page 19 of 512
15
Section 3 Data Formats
0
0
0
0
0
0
0
0
0
REJ09B0171-0500O
–2
–1 to +1 – 2
–1 to +1 – 2
–2
–2
–32 to +32
–16 to +16
(16 bits)
–2
8
23
15
31
to +2
to +2
to +2
to +2
8
23
15
31
– 2
–31
–15
–1
–1
–1
–31