Renesas M16C FAMILY series Hardware Manual page 192

M 1 6 C 2 / 8 G o r u p ( M 1 6 C
UARTi Transmit/receive Control Register 1 (i=0, 1)
b7 b6 b5 b4 b3 b2
UART2 Transmit/receive Control Register 1
b7 b6 b5 b4 b3 b2
Pin Assignment Control Register
b7 b6 b5 b4 b3
NOTES:
1. Set the PACR register by the next instruction after setting the PRC2 bit in the PRCR register to "1"(write
enable).
Figure 14.7 U0C1 to U2C1 Register, and PACR Register
R e . v 2 0 . 0 J a . n 3 , 1 2 0 0 7
R E J 0 9 B 0 0 4 7 0 - 2 0 0
2 / , 8 M 1 6 C 2 / 8 ) B
b1 b0 Symbol
U0C1, U1C1
Bit
Bit Name
Symbol
TE Transmit enable bit
TI Transmit buffer
empty flag
RE Receive enable bit
RI Receive complete flag
Nothing is assigned.
(b7-b4) When write, set "0". When read, these contents are "0".
b1 b0
Symbol
U2C1
Bit
Bit Name
Symbol
TE Transmit enable bit
Transmit buffer
TI
empty flag
RE Receive enable bit
RI Receive complete flag
U2IRS UART2 transmit interrupt
cause select bit
U2RRM UART2 continuous
receive mode enable bit
U2LCH Data logic select bit
U2ERE Error signal output
enable bit
(1)
b2 b1 b0
Symbpl
PACR
Bit Symbol
Pin enabling bit
PACR0
PACR1
PACR2
Reserved bits
(b6-b3)
UART1 pin remapping bit
U1MAP
page 172
f o 3 8 5
Address After Reset
03A5 ,03AD 00000010
16 16 2
0 : Transmission disabled
1 : Transmission enabled
0 : Data present in UiTB register
1 : No data present in UiTB register
0 : Reception disabled
1 : Reception enabled
0 : No data present in UiRB register
1 : Data present in UiRB register
Address After Reset
037D 00000010
16 2
0 : Transmission disabled
1 : Transmission enabled
0 : Data present in U2TB register
1 : No data present in U2TB register
0 : Reception disabled
1 : Reception enabled
0 : No data present in U2RB register
1 : Data present in U2RB register
0 : Transmit buffer empty (TI = 1)
1 : Transmit is completed (TXEPT = 1)
0 : Continuous receive mode disabled
1 : Continuous receive mode enabled
0 : No reverse
1 : Reverse
0 : Output disabled
1 : Output enabled
Address After Reset
025D 00
16
16
Bit Name
010 : 64 pin
011 : 80 pin
All other values are reserved. Do
not use.
Nothing is assigned.
set to "0". When read, its
content is
UART1 pins assigned to
0 : P6
1 : P7
Function
Function
Function
When write,
"0".
to P6
7
4
to P7
3 0
14.Serial I/O
RW
RW
RO
RW
RO
RW
RW
RO
RW
RO
RW
RW
RW
RW
RW
RW
RW
RW
RW