UPD70F3714GC-8BS-A Renesas Electronics America, UPD70F3714GC-8BS-A Datasheet - Page 493

• Manufacturer Part Number: UPD70F3714GC-8BS-A
• Description: MCU 32BIT V850ES/LX2 64-LQFP
• Manufacturer: Renesas Electronics America
• Series: V850ES/Ix2r

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: -

12.5.7 Receive data noise filter
as the input data. Therefore, data not exceeding 2 clock width is judged to be noise and is not delivered to the internal
circuit (see Figure 12-8). See 12.6 (1) (a) Base clock regarding the base clock.
delayed by 3 clocks in relation to the external signal status.
Base clock (f
This filter samples the RXDAn pin using the base clock (f
When the same sampling value is read twice, the match detector output changes and the RXDAn signal is sampled
Moreover, since the circuit is as shown in Figure 12-7, the processing that goes on within the receive operation is
Remark
Internal signal A
Internal signal B
Internal signal C
RXDAn (input)
Base clock
RXDAn
UCLK
(f
n = 0, 1
UCLK
)
)
In
CHAPTER 12 ASYNCHRONOUS SERIAL INTERFACE A (UARTA)
Q
Figure 12-8. Timing of RXDAn Signal Judged as Noise
Internal signal A
Figure 12-7. Noise Filter Circuit
Match
User’s Manual U17716EJ2V0UD
In
(judged as noise)
Q
UCLK
Mismatch
) of the prescaler output.
Internal signal B
detector
Match
Match
In
LD_EN
Q
(judged as noise)
Internal signal C
Mismatch
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