UPD70F3451GC-UBT-A Renesas Electronics America, UPD70F3451GC-UBT-A Datasheet - Page 1163
UPD70F3451GC-UBT-A
Manufacturer Part Number
UPD70F3451GC-UBT-A
Description
MCU 32BIT 128KB FLASH 80LQFP
Manufacturer
Renesas Electronics America
Series
V850E/Ix3r
Datasheet
1.UPD70F3451GC-UBT-A.pdf
(1191 pages)
Specifications of UPD70F3451GC-UBT-A
Core Processor
RISC
Core Size
32-Bit
Speed
64MHz
Connectivity
CSI, I²C, UART/USART
Peripherals
DMA, LVD, PWM, WDT
Number Of I /o
44
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3.5 V ~ 5.5 V
Data Converters
A/D 10x12b, 4x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD70F3451GC-UBT-A
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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A.1 Restriction on Conflict Between sld Instruction and Interrupt Request
A.1.1
following an instruction in <1> and an interrupt request before the instruction in <1> is complete, the execution result
of the instruction in <1> may not be stored in a register.
A.1.2
If a conflict occurs between the decode operation of an instruction in <2> immediately before the sld instruction
Instruction <1>
Instruction <2>
<Example>
<i>
<ii>
<iii> sld.w 0x28, r10
(1) When compiler (CA850) is used
(2) For assembler
• ld instruction:
• sld instruction:
• Multiplication instruction: mul, mulh, mulhi, mulu
mov reg1, reg2
satadd reg1, reg2
and reg1, reg2
add reg1, reg2
mulh reg1, reg2
Use CA850 Ver. 2.61 or later because generation of the corresponding instruction sequence can be
automatically suppressed.
When executing the sld instruction immediately after instruction <ii>, avoid the above operation using either of
the following methods.
• Insert a nop instruction immediately before the sld instruction.
• Do not use the same register as the sld instruction destination register in the above instruction <ii>
Description
Countermeasure
ld.w [r11], r10
mov r10, r28
executed immediately before the sld instruction.
•
•
•
If the decode operation of the mov instruction <ii> immediately before the sld
instruction <iii> and an interrupt request conflict before execution of the ld instruction
<i> is complete, the execution result of instruction <i> may not be stored in a register.
not reg1, reg2
satadd imm5, reg2
tst reg1, reg2
add imm5, reg2
shr imm5, reg2
ld.b, ld.h, ld.w, ld.bu, ld.hu
sld.b, sld.h, sld.w, sld.bu, sld.hu
APPENDIX A CAUTIONS
User’s Manual U18279EJ3V0UD
satsubr reg1, reg2
or reg1, reg2
subr reg1, reg2
cmp reg1, reg2
sar imm5, reg2
satsub reg1, reg2
xor reg1, reg2
sub reg1, reg2
cmp imm5, reg2
shl imm5, reg2
1161
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