UPD70F3714GC-8BS-A Renesas Electronics America, UPD70F3714GC-8BS-A Datasheet - Page 501
UPD70F3714GC-8BS-A
Manufacturer Part Number
UPD70F3714GC-8BS-A
Description
MCU 32BIT V850ES/LX2 64-LQFP
Manufacturer
Renesas Electronics America
Series
V850ES/Ix2r
Datasheet
1.UPD70F3713GC-8BS-A.pdf
(674 pages)
Specifications of UPD70F3714GC-8BS-A
Core Processor
RISC
Core Size
32-Bit
Speed
20MHz
Connectivity
CSI, UART/USART
Peripherals
LVD, PWM, WDT
Number Of I /o
39
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
6K x 8
Voltage - Supply (vcc/vdd)
3.5 V ~ 5.5 V
Data Converters
A/D 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
Manufacturer
Quantity
Price
Company:
Part Number:
UPD70F3714GC-8BS-A
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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12.7 Cautions
register retaining the value it had immediately before the clock supply was stopped. The TXDAn pin output also holds
and outputs the value it had immediately before the clock supply was stopped. However, the operation is not
guaranteed after the clock supply is resumed. Therefore, after the clock supply is resumed, the circuits should be
initialized by setting the UAnCTL0.UAnPWR, UAnCTL0.UAnRXE, and UAnCTL0.UAnTXE bits to 000.
(8) Transfer rate during continuous transmission
When the clock supply to UARTAn is stopped (for example, in IDLE1 or STOP mode), the operation stops with each
Remark
During continuous transmission, the transfer rate from the stop bit to the next start bit is usually 2 base clocks
longer. However, timing initialization is performed via start bit detection by the receiving side, so this has no
influence on the transfer result.
Assuming 1 bit data length: FL; stop bit length: FLstp; and base clock frequency: f
equation.
Therefore, the transfer rate during continuous transmission is as follows.
FLstp = FL + 2/f
Transfer rate = 11 × FL + (2/f
n = 0, 1
Start bit
FL
Bit 0
CHAPTER 12 ASYNCHRONOUS SERIAL INTERFACE A (UARTA)
Figure 12-11. Transfer Rate During Continuous Transmission
UCLK
FL
Bit 1
FL
UCLK
1 data frame
)
User’s Manual U17716EJ2V0UD
Bit 7
FL
Parity bit
FL
Stop bit
FLstp
Start bit
FL
UCLK
Start bit of 2nd byte
, we obtain the following
Bit 0
FL
499
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