DF2148BTE20 Renesas Electronics America, DF2148BTE20 Datasheet - Page 173

• 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

(1) When a break address specified instruction is executed for one state in the program area and on-chip memory
(2) When a break address specified instruction is executed for two states in the program area and on-chip memory
(3) When a break address specified instruction is executed for one state in the program area
Address bus
Break request
signal
Address bus
Break request
signal
and external memory (2-state access, 16-bit bus access)
φ
Address bus
Break request
signal
φ
H'0310 NOP
H'0312 MOV.W #xx:16,Rd
H'0316 NOP
H'0318 NOP
Instruction
Instruction
H'0310
H'0310
Instruction
fetch
fetch
H'0310 NOP
H'0312 NOP
H'0314 NOP
H'0316 NOP
Figure 5.10 Address Break Timing Example
fetch
H'0310
H'0310 NOP
H'0312 NOP
H'0314 NOP
H'0316 NOP
execution
execution
NOP
Instruction
Instruction
NOP
H'0312 H'0314 H'0316
H'0312 H'0314 H'0316
fetch
fetch
execution
execution
Instruction
Instruction
NOP
NOP
fetch
Instruction
fetch
execution
MOV.W
H'0312
fetch
Instruction
Instruction
Break point
execution
fetch
fetch
NOP
Break point
Break point
Instruction
Instruction
Instruction
fetch
fetch
fetch
H'0318
H'0318
H'0314
NOP instruction is executed at break point address
H'0312 and following address H'0314.
Fetching is performed from address H'0316
after exception handling ends.
operation
operation
Internal
Internal
NOP instruction is not executed at break point address H'0312.
Fetching is performed from address H'0312
after exception handling ends.
MOV instruction is executed at break point address
H'0312, and NOP instruction is not executed
at the following address H'0314.
Fetching is performed from address H'0316
after exception handling ends.
operation
Internal
Rev. 3.00 Mar 21, 2006 page 117 of 788
Interrupt exception handling
Interrupt exception handling
Interrupt exception handling
SP-2
SP-2
to stack
to stack
Save
Save
SP-2
SP-4
SP-4
SP-4
Section 5 Interrupt Controller
Vector
Vector
fetch
fetch
H'0036
H'0036
Vector
H'0036
fetch
Internal
operation
Internal
operation
REJ09B0300-0300
Instruction
Instruction
Instruction
fetch
fetch
fetch