UPD70F3738GF-GAS-AX Renesas Electronics America, UPD70F3738GF-GAS-AX Datasheet - Page 74

• Manufacturer Part Number: UPD70F3738GF-GAS-AX
• Description: MCU 32BIT V850ES/JX3-L 100-LQFP
• Manufacturer: Renesas Electronics America
• Series: V850ES/Jx3-Lr

Specifications of UPD70F3738GF-GAS-AX

• Core Processor: RISC
• Core Size: 32-Bit
• Speed: 20MHz
• Connectivity: CSI, EBI/EMI, I²C, UART/USART
• Peripherals: DMA, LVD, PWM, WDT
• Number Of I /o: 84
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 2.2 V ~ 3.6 V
• Data Converters: A/D 12x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

<R>
3.4.4
contiguous, and wraparound occurs at the boundary of these addresses.
3.4.5
generation when operand data in the data space is accessed. The address stored in this pointer ±32 KB can be
directly accessed by an instruction for operand data. Because the number of general-purpose registers that can be
used as a pointer is limited, however, by keeping the performance from dropping during address calculation when a
pointer value is changed, as many general-purpose registers as possible can be secured for variables, and the
program size can be reduced.
72
The result of an operand address calculation operation that exceeds 32 bits is ignored.
Therefore, the highest address of the data space, FFFFFFFFH, and the lowest address, 00000000H, are
The architecture of the V850ES/JG3-L requires that a register that serves as a pointer be secured for address
(1) Program space
Of the 32 bits of the PC (program counter), the higher 6 bits are fixed to 0, and only the lower 26 bits are valid.
Regarding the program space, therefore, a 64 MB space of contiguous addresses starting from 00000000H
unconditionally corresponds to the memory map.
To use the internal RAM area as the program space, access the following addresses.
Caution If a branch instruction is at the upper limit of the internal RAM area, a prefetch operation
Wraparound of data space
Recommended use of address space
μ
μ
μ
μ
PD70F3737
PD70F3738
PD70F3792
PD70F3793
(invalid fetch) straddling the on-chip peripheral I/O area does not occur.
Product Name
0 0 0 0 0 0 0 0 H
F F F F F F F F H
F F F F F F F E H
0 0 0 0 0 0 0 1 H
8 KB
16 KB
32 KB
40 KB
Figure 3-13. Wraparound of Data Space
RAM Size
Data space
Data space
CHAPTER 3 CPU FUNCTION
User’s Manual U18953EJ5V0UD
03FFD000H to 03FFEFFFH
03FFB000H to 03FFEFFFH
03FF7000H to 03FFEFFFH
03FF5000H to 03FFEFFFH
(+) direction
Access Address
(−) direction