M-V850E-IA4 Renesas Electronics America, M-V850E-IA4 Datasheet - Page 573

• Manufacturer Part Number: M-V850E-IA4
• Description: KIT EVAL V850E IA4 UPD70F3186
• Manufacturer: Renesas Electronics America

Specifications of M-V850E-IA4

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

14.1 Mode Switching Between UARTA1 and CSIB1
same time. To switch between UARTA1 and CSIB1, the PMC3 and PFC3 registers must be set in advance.
In the V850E/IA3 and V850E/IA4, UARTA1 and CSIB1 function alternately, and these pins cannot be used at the
Caution The operations related to transmission and reception of UARTA1 or CSIB1 are not guaranteed if
Remark
the mode is switched during transmission or reception. Be sure to disable the unit that is not
used.
x = don’t care
PMC3
PFC3
After reset:
After reset:
CHAPTER 14 ASYNCHRONOUS SERIAL INTERFACE A (UARTA)
PMC34
PMC33
PMC32
PMC37
00H
00H
Figure 14-1. Mode Switch Settings of UARTA1 and CSIB1
7
0
0
1
0
1
1
0
1
1
7
PMC36
I/O port
SCKB1 I/O
PFC33
PFC32
R/W
R/W
6
0
×
0
1
×
0
1
6
Address: FFFFF466H
I/O port
SOB1 output
TXDA1 output
I/O port
SIB1 input
RXDA1 input
Address: FFFFF446H
PFC35
PMC35
User’s Manual U16543EJ4V0UD
Specification of alternate function of P34 pin
5
5
Specification of alternate function of P33 pin
Specification of alternate function of P32 pin
PMC34
4
0
4
PFC33
PMC33
3
3
PMC32
PFC32
2
2
PMC31
1
0
1
PMC30
0
0
0
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