DF3048BVX25WV Renesas Electronics America, DF3048BVX25WV Datasheet - Page 118
![MCU 3/5V 128K PB-FREE 100-TQFP](/photos/28/61/286123/100-tqfp__100-vqfp_sml.jpg)
DF3048BVX25WV
Manufacturer Part Number
DF3048BVX25WV
Description
MCU 3/5V 128K PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Specifications of DF3048BVX25WV
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
-40°C ~ 85°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:
DF3048BVX25WV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 4 Exception Handling
4.6
When accessing word data or longword data, the H8/3048B Group regards the lowest address bit
as 0. The stack should always be accessed by word access or longword access, and the value of the
stack pointer (SP:ER7) should always be kept even. Use the following instructions to save
registers:
Use the following instructions to restore registers:
Setting SP to an odd value may lead to a malfunction. Figure 4.7 shows an example of what
happens when the SP value is odd.
Rev. 3.00 Sep 27, 2006 page 90 of 872
REJ09B0325-0300
SP
Legend:
CCR:
PC:
R1L:
SP:
Note: The diagram illustrates modes 3 and 4.
PUSH.W Rn
PUSH.L ERn
POP.W Rn
POP.L ERn
Notes on Stack Usage
Condition code register
Program counter
General register R1L
Stack pointer
SP set to H'FFFEFF
TRAPA instruction executed
Figure 4.7 Operation when SP Value Is Odd
(or MOV.W Rn, @–SP)
(or MOV.L ERn, @–SP)
(or MOV.W @SP+, Rn)
(or MOV.L @SP+, ERn)
SP
Data saved above SP
CCR
PC
MOV. B R1L, @-ER7
SP
CCR contents lost
R1L
PC
H'FFFEFA
H'FFFEFB
H'FFFEFC
H'FFFEFD
H'FFFEFF
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