HD64F2318VTE25 Renesas Electronics America, HD64F2318VTE25 Datasheet - Page 192
HD64F2318VTE25
Manufacturer Part Number
HD64F2318VTE25
Description
IC H8S MCU FLASH 256K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Specifications of HD64F2318VTE25
Core Processor
H8S/2000
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
POR, PWM, WDT
Number Of I /o
71
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Section 6 Bus Controller
16-Bit Access Space: Figure 6.5 illustrates data alignment control for the 16-bit access space.
With the 16-bit access space, the upper data bus (D
for accesses. The amount of data that can be accessed at one time is one byte or one word, and a
longword transfer instruction is executed as two word transfer instructions.
In byte access, whether the upper or lower data bus is used is determined by whether the address is
even or odd. The upper data bus is used for an even address, and the lower data bus for an odd
address.
Rev.7.00 Feb. 14, 2007 page 158 of 1108
REJ09B0089-0700
Figure 6.5 Access Sizes and Data Alignment Control (16-Bit Access Space)
Byte size
Byte size
Word size
Longword
size
• Even address
• Odd address
1st bus cycle
2nd bus cycle
D
Upper data bus
15
15
to D
8
) and lower data bus (D
D
8
D
Lower data bus
7
7
to D
D
0
0
) are used
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