UPD70F3453GC-8EA-A Renesas Electronics America, UPD70F3453GC-8EA-A Datasheet - Page 743
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
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Company:
Part Number:
UPD70F3453GC-8EA-A
Manufacturer:
Renesas Electronics America
Quantity:
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(4) Baud rate
(5) Baud rate error
The baud rate is obtained by the following equation.
The baud rate error is obtained by the following equation.
Example
f
k:
Cautions 1. The baud rate error during transmission must be within the error tolerance on the
UCLK
: Frequency of base clock selected by the UAnCTL1.UAnCKS3 to UAnCTL1.UAnCKS0 bits
Value set using the UAnCTL2.UAnBRS7 to UAnCTL2.UAnBRS0 bits (k = 4, 5, 6, ..., 255)
Baud rate =
Error (%) =
2. The baud rate error during reception must satisfy the range indicated in section (7)
Peripheral clock frequency = 32 MHz = 32,000,000 Hz
Set value of UAnCTL1.UAnCKS3 to UAnCTL1.UAnCKS0 bits = 0000B (f
Set value of UAnCTL2.UAnBRS7 to UAnCTL2.UAnBRS0 bits = 00110100B (k = 52)
Target baud rate = 153,600
receiving side.
Allowable baud rate range during reception.
Baud rate = 16,000,000/ (2 × 52) = 153,846 [bps]
CHAPTER 14 ASYNCHRONOUS SERIAL INTERFACE A (UARTA)
Error = (153,846/153,600 − 1) × 100
Actual baud rate (baud rate with error)
f
2 × k
Target baud rate (correct baud rate)
= 0.160 [%]
UCLK
[bps]
User’s Manual U18279EJ3V0UD
− 1 × 100 [%]
UCLK
= 16,000,000 Hz)
741
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