DF3026X25V Renesas Electronics America, DF3026X25V Datasheet - Page 85
![MCU 3V 256K PB-FREE 100-TQFP](/photos/28/61/286123/100-tqfp__100-vqfp_sml.jpg)
DF3026X25V
Manufacturer Part Number
DF3026X25V
Description
MCU 3V 256K PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Specifications of DF3026X25V
Core Processor
H8/300H
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
PWM, WDT
Number Of I /o
70
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 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
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF3026X25V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 2 CPU
7 Program-Counter Relative—@(d:8, PC) or @(d:16, PC): This mode is used in the Bcc and
BSR instructions. An 8-bit or 16-bit displacement contained in the instruction code is sign-
extended to 24 bits and added to the 24-bit PC contents to generate a 24-bit branch address. The
PC value to which the displacement is added is the address of the first byte of the next instruction,
so the possible branching range is –126 to +128 bytes (–63 to +64 words) or –32766 to
+32768 bytes (–16383 to +16384 words) from the branch instruction. The resulting value should
be an even number.
8 Memory Indirect—@@aa:8: This mode can be used by the JMP and JSR instructions. The
instruction code contains an 8-bit absolute address specifying a memory operand. This memory
operand contains a branch address. The memory operand is accessed by longword access. The first
byte of the memory operand is ignored, generating a 24-bit branch address. See figure 2.10. The
upper bits of the 8-bit absolute address are assumed to be 0 (H'0000), so the address range is 0 to
255 (H'000000 to H'0000FF). Note that the first part of this range is also the exception vector area.
For further details see section 5, Interrupt Controller.
Reserved
Specified by @aa:8
Branch address
Figure 2.10 Memory-Indirect Branch Address Specification
When a word-size or longword-size memory operand is specified, or when a branch address is
specified, if the specified memory address is odd, the least significant bit is regarded as 0. The
accessed data or instruction code therefore begins at the preceding address. See section 2.5.2,
Memory Data Formats.
2.7.2
Effective Address Calculation
Table 2.13 explains how an effective address is calculated in each addressing mode. In the
1-Mbyte operating modes the upper 4 bits of the calculated address are ignored in order to
generate a 20-bit effective address.
Rev. 2.00 Sep 20, 2005 page 45 of 800
REJ09B0260-0200
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