UPD70F3453GC-8EA-A Renesas Electronics America, UPD70F3453GC-8EA-A Datasheet - Page 799
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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Part Number:
UPD70F3453GC-8EA-A
Manufacturer:
Renesas Electronics America
Quantity:
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(5) Example of continuous transmission processing flow in FIFO mode (CPU control)
Notes 1.
Set UARTB-related registers
Figure 15-16. Example of Continuous Transmission Processing Flow in FIFO Mode (CPU Control)
INTUBTIF interrupt = 1?
Write transmit FIFO
UBTXE = 1 (UBCTL0)
2.
3.
START
Write more transmit data than the number set as the trigger by the UBFIC2.UBTT3 to
UBFIC2.UBTT0 bits to transmit FIFO.
This is the case where transmission is ended (transmit FIFO and the transmit shift register become
empty) before the next transmit data is written. To continue data transmission, clear the INTUBTIF
and INTUBTIT signals and write the next data to transmit FIFO.
In the pending mode (UBFIC0.UBITM bit = 0), write as many transmit data as the number set as
the trigger by the UBFIC2.UBTT3 to UBFIC2.UBTT0 bits of to transmit FIFO. In the pointer mode
(UBITM bit = 1), reference the UBFIS1.UBTB4 to UBFIS1.UBTB0 bits and write as many data as
the number of empty bytes in transmit FIFO to transmit FIFO.
Write 16-byte data to fully use the 8-bit × 16-stage FIFO function.
Yes
Note 1
CHAPTER 15 ASYNCHRONOUS SERIAL INTERFACE B (UARTB)
: Write transmit data
: Enable transmission
No
INTUBTIT interrupt = 1?
INTUBTIF interrupt = 1?
Transmission ended?
UBTXE = 0 (UBCTL0)
Clear transmit FIFO
END
Yes
Yes
Yes
User’s Manual U18279EJ3V0UD
: Transmission ended?
No
No
No
Note 2
Write transmit FIFO
Note 3
: Writing to transmit FIFO enabled?
: Disable transmission
: Transmission ended?
: Writing all transmit data ended?
797
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