UPD70F3201YGC-YEU-A Renesas Electronics America, UPD70F3201YGC-YEU-A Datasheet - Page 310
UPD70F3201YGC-YEU-A
Manufacturer Part Number
UPD70F3201YGC-YEU-A
Description
MCU 32BIT I2C 100TQFP
Manufacturer
Renesas Electronics America
Series
V850ES/Sx2r
Datasheet
1.UPD70F3201YGC-YEU-A.pdf
(555 pages)
Specifications of UPD70F3201YGC-YEU-A
Core Processor
RISC
Core Size
32-Bit
Speed
20MHz
Connectivity
CSI, EBI/EMI, I²C, UART/USART
Peripherals
DMA, PWM, WDT
Number Of I /o
68
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
2.2 V ~ 2.7 V
Data Converters
A/D 12x10b; D/A 2x8b
Oscillator Type
External
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:
UPD70F3201YGC-YEU-A
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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CHAPTER 13 ASYNCHRONOUS SERIAL INTERFACE n (UARTn)
(4) Receive buffer register n (RXBn)
The RXBn register is an 8-bit buffer register for storing parallel data that had been converted by the receive
shift register.
When reception is enabled (RXEn bit = 1 in the ASIMn register), receive data is transferred from the receive
shift register to the RXBn register, synchronized with the completion of the shift-in processing of one frame.
Also, a reception completion interrupt request (INTSRn) is generated by the transfer to the RXBn register. For
information about the timing for generating this interrupt request, refer to 13.5 (4) Receive operation.
If reception is disabled (RXEn bit = 0 in the ASIMn register), the contents of the RXBn register are retained,
and no processing is performed for transferring data to the RXBn register even when the shift-in processing of
one frame is completed. Also, no reception completion interrupt is generated.
When 7 bits is specified for the data length, bits 6 to 0 of the RXBn register are transferred for the receive data
and the MSB (bit 7) is always 0. However, if an overrun error (OVEn) occurs, the receive data at that time is
not transferred to the RXBn register.
Except when a reset is input, the RXBn register becomes FFH even when UARTCAEn = 0 in the ASIMn
register.
This register is read-only, in 8-bit units.
This register is set to FFH after reset.
After reset:
FFH
R
Address: RXB0
FFFFFA02H, RXB1 FFFFFA12H
7
6
5
4
3
2
1
0
RXBn
RXBn7
RXBn6
RXBn5
RXBn4
RXBn3
RXBn2
RXBn1
RXBn0
(n = 0, 1)
308
User’s Manual U15905EJ2V1UD
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