UPD70F3453GC-8EA-A Renesas Electronics America, UPD70F3453GC-8EA-A Datasheet - Page 740
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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Manufacturer
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Price
Company:
Part Number:
UPD70F3453GC-8EA-A
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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14.7 Dedicated Baud Rate Generator
and generates a serial clock during transmission and reception with UARTAn. Regarding the serial clock, a dedicated
baud rate generator output can be selected for each channel.
738
The dedicated baud rate generator consists of a source clock selector block and an 8-bit programmable counter,
There is an 8-bit counter for transmission and another one for reception.
(1) Baud rate generator configuration
(a) Base clock
(b) Serial clock generation
Caution If the CPU clock (f
Remarks 1. n = 0 to 2
When the UAnCTL0.UAnPWR bit is 1, the clock selected by the UAnCTL1.UAnCKS3 to
UAnCTL1.UAnCKS0 bits is supplied to the 8-bit counter. This clock is called the base clock (f
the UAnPWR bit = 0, f
A serial clock can be generated by setting the UAnCTL1 register and the UAnCTL2 register.
The base clock (f
The frequency division value for the 8-bit counter can be set using the UAnCTL2.UAnBRS7 to
UAnCTL2.UAnBRS0 bits.
f
f
f
XX
XX
XX
f
f
f
XX
XX
XX
f
f
f
/1024
/2048
/4096
XX
XX
XX
f
f
f
/128
/256
/512
XX
XX
XX
/16
/32
/64
/2
/4
/8
2. f
UAnCKS3 to UAnCKS0
XX
: Peripheral clock frequency
UAnPWR bit
UAnCTL1:
CHAPTER 14 ASYNCHRONOUS SERIAL INTERFACE A (UARTA)
Selector
UCLK
Figure 14-12. Configuration of Baud Rate Generator
) is selected by the UAnCTL1.UAnCKS3 to UAnCTL1.UAnCKS0 bits.
UCLK
CPU
is fixed to the low level.
) is slower than f
f
UCLK
UAnPWR, UAnTXE bit
User’s Manual U18279EJ3V0UD
UAnBRS7 to UAnBRS0
Match detector
8-bit counter
UAnCTL2:
UCLK
, UARTAn cannot be used.
(or UAnRXE bit)
Output clock
1/2
Baud rate
UCLK
). When
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