UPD70F3451GC-UBT-A Renesas Electronics America, UPD70F3451GC-UBT-A Datasheet - Page 99
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
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Price
Company:
Part Number:
UPD70F3451GC-UBT-A
Manufacturer:
Renesas Electronics America
Quantity:
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3.4.9
V850E/IF3 and V850E/IG3, a wait set by the VSWC register is required in addition to those 3 clocks. Set 13H (set
wait for 4 clocks) to VSWC.
The VSWC register is a register that controls the bus access wait for the on-chip peripheral I/O registers.
Access to on-chip peripheral I/O registers of the V850E1 CPU core is basically made in 3 clocks; however, in the
This register can be read or written in 8-bit units (address: FFFFF06EH, initial value: 77H).
Caution When using the V850E/IF3 and V850E/IG3, the VSWC register must be set first.
Remark
System wait control register (VSWC)
Set other registers if necessary after setting the VSWC register.
When a register includes status flags that indicate the statuses of the on-chip peripheral functions (such
as UAnSTR) or a register that indicates the count value of a timer (such as TAAnCNT) is accessed, a
register access retry operation takes place if the timing at which the flag and count value changes and
the timing of the register access overlap. Consequently, access to the on-chip peripheral I/O register
may take a long time.
CPU Clock Frequency (f
500 kHz ≤ f
CHAPTER 3 CPU FUNCTION
User’s Manual U18279EJ3V0UD
CPU
≤ 64 MHz
CPU
)
VSWC Set Value
13H
97
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