DF2148BTE20 Renesas Electronics America, DF2148BTE20 Datasheet - Page 86
DF2148BTE20
Manufacturer Part Number
DF2148BTE20
Description
IC H8S MCU FLASH 128K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of DF2148BTE20
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, IrDA, SCI, X-Bus
Peripherals
PWM, WDT
Number Of I /o
74
Program Memory Size
128KB (128K 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; 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
-
Other names
HD64F2148BTE20
HD64F2148BTE20
HD64F2148BTE20
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2148BTE20V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 86 of 847
- Download datasheet (5Mb)
Section 2 CPU
Rev. 3.00 Mar 21, 2006 page 30 of 788
REJ09B0300-0300
Instruction set
All instructions and addressing modes can be used.
Exception vector table and memory indirect branch addresses
In advanced mode, the top area starting at H'00000000 is allocated to the exception vector
table in 32-bit units. In each 32 bits, the upper 8 bits are ignored and a branch address is stored
in the lower 24 bits (see figure 2.3). For details on the exception vector table, see section 4,
Exception Handling.
The memory indirect addressing mode (@@aa:8) employed in the JMP and JSR instructions
uses an 8-bit absolute address included in the instruction code to specify a memory operand
that contains a branch address. In advanced mode, the operand is a 32-bit longword operand,
providing a 32-bit branch address. The upper 8 bits of these 32 bits are a reserved area that is
regarded as H'00. Branch addresses can be stored in the area from H'00000000 to H'000000FF.
Note that the top area of this range is also used for the exception vector table.
H'00000000
H'00000003
H'00000004
H'00000007
H'00000008
H'0000000B
H'0000000C
H'00000010
Figure 2.3 Exception Vector Table (Advanced Mode)
(Reserved for system use)
(Reserved for system use)
Reset exception vector
Exception vector 1
Reserved
Reserved
Reserved
Exception vector table
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