UPD70F3451GC-UBT-A Renesas Electronics America, UPD70F3451GC-UBT-A Datasheet - Page 719

• Manufacturer Part Number: UPD70F3451GC-UBT-A
• Description: MCU 32BIT 128KB FLASH 80LQFP
• Manufacturer: Renesas Electronics America
• Series: V850E/Ix3r

Specifications of UPD70F3451GC-UBT-A

• Core Processor: RISC
• Core Size: 32-Bit
• Speed: 64MHz
• Connectivity: CSI, I²C, UART/USART
• Peripherals: DMA, LVD, PWM, WDT
• Number Of I /o: 44
• 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, 4x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

14.1 Mode Switching Between UARTA and Other Serial Interface
14.1.1 Mode switching between UARTA0 and CSIB0
same time. To switch between UARTA0 and CSIB0, the PMC4, PFC4, and PFCE4 registers must be set in advance.
In the V850E/IF3 and V850E/IG3, UARTA0 and CSIB0 function alternately, and these pins cannot be used at the
Caution The operations related to transmission and reception of UARTA0 or CSIB0 are not guaranteed if
Remark
the mode is switched during transmission or reception. Be sure to disable the unit that is not
used.
× = don’t care
PFCE4
CHAPTER 14 ASYNCHRONOUS SERIAL INTERFACE A (UARTA)
PMC4
PFC4
After reset: 00H
After reset: 00H
After reset: 00H
PFCE47 PFCE46
PMC42
PMC41
PMC40
Figure 14-1. Mode Switch Settings of UARTA0 and CSIB0
PMC47
PFC47
7
0
1
1
1
1
0
1
1
1
1
0
1
1
7
7
PFCE42
PFCE41
R/W
PFC40
R/W
R/W
PMC46
PFC46
0
0
1
1
0
0
1
1
0
1
6
×
×
×
6
6
Address: FFFFF708H
Address: FFFFF448H
Address: FFFFF468H
PFCE45 PFCE44
User’s Manual U18279EJ3V0UD
PFC42
PFC41
I/O port
SIB0 input
RXDA0 input
PMC45
PFC45
0
1
0
1
0
1
0
1
5
×
×
5
5
Specification of alternate function of P40 pin
PMC44
I/O port
SCKB0 I/O
INTP13 input
Setting prohibited
Setting prohibited
I/O port
SOB0 output
TXDA0 output
Setting prohibited
Setting prohibited
PFC44
4
Specification of alternate function of P42 pin
Specification of alternate function of P41 pin
4
4
PFCE43 PFCE42 PFCE41
PMC43
PFC43
3
3
3
PMC42
PFC42
2
2
2
PMC41
PFC41
1
1
1
PFCE40
PMC40
PFC40
0
0
0
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