DF2148BTE20 Renesas Electronics America, DF2148BTE20 Datasheet - Page 85

• 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

2.2.2
Address space
Linear access to a maximum address space of 16 Mbytes is possible.
Extended registers (En)
The extended registers (E0 to E7) can be used as 16-bit registers. They can also be used as the
upper 16-bit segments of 32-bit registers or address registers.
Advanced Mode
Note: * Ignored when returning.
SP
(a) Subroutine Branch
Figure 2.1 Exception Vector Table (Normal Mode)
H'0000
H'0001
H'0002
H'0003
H'0004
H'0005
H'0006
H'0007
H'0008
H'0009
H'000A
H'000B
Figure 2.2 Stack Structure in Normal Mode
(16 bits)
PC
(Reserved for system use)
(Reserved for system use)
Reset exception vector
Exception vector 1
Exception vector 2
SP
Rev. 3.00 Mar 21, 2006 page 29 of 788
(b) Exception Handling
Exception
vector table
(16 bits)
CCR *
CCR
PC
REJ09B0300-0300
Section 2 CPU