UPD70F3737GF-GAS-AX Renesas Electronics America, UPD70F3737GF-GAS-AX Datasheet - Page 583
UPD70F3737GF-GAS-AX
Manufacturer Part Number
UPD70F3737GF-GAS-AX
Description
MCU 32BIT V850ES/JX3-L 100-LQFP
Manufacturer
Renesas Electronics America
Series
V850ES/Jx3-Lr
Datasheet
1.UPD70F3737GF-GAS-AX.pdf
(1071 pages)
Specifications of UPD70F3737GF-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
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
8K 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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD70F3737GF-GAS-AX
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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(4) Baud rate
The baud rate is obtained by the following equation.
The baud rate error is obtained by the following equation.
When using the internal clock, the equation will be as follows (when using the ASCKA0 pin input as the
clock for UARTA0, calculate using the above equation).
Remark
When using the internal clock, the equation will be as follows (when using the ASCKA0 pin input as the
clock for UARTA0, calculate the baud rate error using the above equation).
Cautions 1. The baud rate error during transmission must be within the error tolerance on the
Baud rate =
Baud rate =
Error (%) =
Error (%) =
2. The baud rate error during reception must satisfy the range indicated in (5) Allowable
f
f
m = Value set using the UAnCTL1.UAnCKS3 to UAnCTL1.UAnCKS0 bits (m = 0 to 10)
k = Value set using the UAnCTL2.UAnBRS7 to UAnCTL2.UAnBRS0 bits (k = 4 to 255)
UCLK
XX
: Main clock frequency
receiving side.
baud rate range during reception.
= Frequency of base clock selected by the UAnCTL1.UAnCKS3 to UAnCTL1.UAnCKS0 bits
CHAPTER 16 ASYNCHRONOUS SERIAL INTERFACE A (UARTA)
=
Actual baud rate (baud rate with error)
2
2 × k × Target baud rate
f
2 × k
2
UCLK
Target baud rate (correct baud rate)
m+1
m+1
f
XX
× k
× k × Target baud rate
[bps]
[bps]
f
UCLK
f
XX
User’s Manual U18953EJ5V0UD
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