UPD70F3453GC-8EA-A Renesas Electronics America, UPD70F3453GC-8EA-A Datasheet - Page 79
UPD70F3453GC-8EA-A
Manufacturer Part Number
UPD70F3453GC-8EA-A
Description
MCU 32BIT 128KB FLASH 100LQFP
Manufacturer
Renesas Electronics America
Series
V850E/Ix3r
Datasheet
1.UPD70F3451GC-UBT-A.pdf
(1191 pages)
Specifications of UPD70F3453GC-8EA-A
Core Processor
RISC
Core Size
32-Bit
Speed
64MHz
Connectivity
CSI, EBI/EMI, I²C, UART/USART
Peripherals
DMA, LVD, PWM, WDT
Number Of I /o
56
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, 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Company:
Part Number:
UPD70F3453GC-8EA-A
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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3.4.6
address generation in operand data accessing of data space. Operand data access from instruction can be directly
executed at the address in this pointer register area ±32 KB. However, because the general-purpose registers that
can be used as a pointer register are limited, by minimizing the deterioration of address calculation performance when
changing the pointer value, the number of usable general-purpose registers for handling variables is maximized, and
the program size can be saved.
The architecture of the V850E/IF3 and V850E/IG3 requires that a register that serves as a pointer be secured for
(1) Program space
(2) Data space
Of the 32 bits of the program counter (PC), the higher 6 bits are fixed to 0, and only the lower 26 bits are valid.
Therefore, a contiguous 64 MB space, starting from address 00000000H, unconditionally corresponds to the
memory map of the program space.
With the V850E/IF3 and V850E/IG3, a 256 MB physical address space is seen as 16 images in the 4 GB CPU
address space. The highest bit (bit 25) of this 26-bit address is assigned as an address sign-extended to 32
bits.
(a) Application examples using wraparound
Recommended use of address space
When R = r0 (zero register) is specified by the LD/ST disp16 [R] instruction, an addressing range of
00000000H ±32 KB can be referenced by the sign-extended disp16.
The zero register (r0) is a register set to 0 by the hardware, and eliminates the need for additional registers
for the pointer.
Example
μ
PD70F3454 (V850E/IG3)
(R = ) 0 0 0 0 0 0 0 0 H
F F F F F 0 0 0 H
F F F F E F F F H
F F F F C 0 0 0 H
F F F F B F F F H
F F F F 8 0 0 0 H
0 0 0 3 F F F F H
0 0 0 0 7 F F F H
CHAPTER 3 CPU FUNCTION
User’s Manual U18279EJ3V0UD
Internal ROM area
On-chip peripheral
Internal RAM area
I/O area
32 KB
4 KB
12 KB
77
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