DF3048BVX25V Renesas Electronics America, DF3048BVX25V Datasheet - Page 93
DF3048BVX25V
Manufacturer Part Number
DF3048BVX25V
Description
MCU 3/5V 128K PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Specifications of DF3048BVX25V
Core Processor
H8/300H
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, PWM, WDT
Number Of I /o
70
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K 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:
DF3048BVX25V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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is cleared to 0, the CPU sets both the I bit and the UI bit in the condition code register to 1. Then
the CPU fetches a start address from the exception vector table and execution branches to that
address.
Figure 2.14 shows the stack after the exception-handling sequence.
2.8.5
In this state the bus is released to a bus master other than the CPU, in response to a bus request.
The bus masters other than the CPU are the DMA controller, the refresh controller, and an external
bus master. While the bus is released, the CPU halts except for internal operations. Interrupt
requests are not accepted. For details see section 6.3.7, Bus Arbiter Operation.
SP (ER7)
Legend:
CCR:
SP:
Notes: 1.
SP
SP
SP
SP
Condition code register
Stack pointer
2.
Bus-Released State
4
3
2
1
PC is the address of the first instruction executed after the return from the
exception-handling routine.
Registers must be saved and restored by word access or longword access,
starting at an even address.
Figure 2.14 Stack Structure after Exception Handling
Before exception
handling starts
Stack area
Pushed on stack
SP (ER7)
SP + 1
SP + 2
SP + 3
SP + 4
Rev. 3.00 Sep 27, 2006 page 65 of 872
After exception
handling ends
CCR
PC
REJ09B0325-0300
Section 2 CPU
Even
address
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