m5m51016btp Renesas Electronics Corporation., m5m51016btp Datasheet - Page 99

• Manufacturer Part Number: m5m51016btp
• Description: Renesas 16-bit Single-chip Microcomputer M16c Family / M16c/20 Series
• Manufacturer: Renesas Electronics Corporation.

M30245 Group
Rev.2.00 Oct 16, 2006
REJ09B0340-0200
Figure 2.5.4. Serial interface special function-related registers (3)
U A R T i t r a n s m i t / r e c e i v e c o n t r o l r e g i s t e r 0 ( i = 0 t o 3 )
b 7 b 6 b 5 b4 b 3 b 2 b 1 b0
UARTi transmit/receive control register 1 (i= 0 to 3)
b7
b6
b5
b4
b3
page 90 of 354
b2
b1
N o t e 1 : S e t t h e c o r r e s p o n d i n g p o r t d i r e c t i o n r e g i s t e r t o “ 0 ” .
N o t e 2 : U A R T 2 t r a n s f e r p i n ( T x D
N o t e 3 : O n l y c l o c k s y n c h r o n o u s s e r i a l I / O m o d e a n d 8 - b i t U A R T m o d e a r e v a l i d .
N o t e 4 : T h e c o r r e s p o n d i n g p o r t r e g i s t e r a n d p o r t d i r e c t i o n r e g i s t e r a r e i n v a l i d .
U F O R M T r a n s f e r f o r m a t s e l e c t b i t
NCH
(Note 2)
C K P O L
T X E P T
s y m b o l
CLK0
C L K 1
C R S
C R D
b0
B i t
Note 1: When disabling the error signal output, set the UiERE bit to “0” after setting the
Bit Symbol
U i C 0 ( i = 0 t o 3 )
UiRRM
UiLCH
UiERE
UiIRS
I t c a n n o t b e s e t t o C M O S o u t p u t .
TE
RE
TI
RI
S y m b o l
( N o t e 3 )
D a t a o u t p u t s e l e c t b i t
BRG count source
select bit
CTS/RTS function
select bit
Transmit register empty
flag
CTS/RTS disable bit
CLK polarity select bit
UiMR register.
Symbol
UiC1 (i=0 to 3)
Transmit enable
Transmit buffer
empty flag
Receive enable
bit
Receive
complete flag
UARTi transmit
interrupt cause
select bit
UARTi continuous
receive mode
enable bit
Data logic
select bit
Error signal
output enable bit
bit
B i t n a m e
Bit Name
03AD
Set to “0”
The value is
indeterminate when read.
0 : Transmit disabled
1 : Transmit enabled
0 : Data present in transmit buffer register
1 : No data present in transmit buffer register
0 : Receive disabled
1 : Receive enabled
0 : Data packet in receive buffer register
1 : No data packet in receive buffer register
0 : Transmit buffer empty (TI =1)
1 : Transmit buffer completed ( TXEPT =1)
0 : Continuous receive
1 : Continuous receive
0 : No reverse
1 : Reverse
0 3 A C
(clock synchronous
serial I/O mode)
mode disabled
mode enabled
2
16
b1 b0
0 0 : f
0 1 : f
1 0 : f
1 1 : I n h i b i t e d
V a l i d w h e n b i t 4 = “ 0 ”
0 : C T S f u n c t i o n i s s e l e c t e d ( N o t e 1 )
1 : R T S f u n c t i o n i s s e l e c t e d ( N o t e 4 )
0 : D a t a p r e s e n t i n t r a n s m i t r e g i s t e r
1 : N o d a t a p r e s e n t i n t r a n s m i t
0 : C T S / R T S f u n c t i o n e n a b l e d
1 : C T S / R T S f u n c t i o n d i s a b l e d
0 : T x D i / S D A i a n d S C L i p i n i s C M O S
1 : T x D i / S D A i a n d S C L i p i n i s
0 : T r a n s m i t d a t a i s o u t p u t a t
1 : T r a n s m i t d a t a i s o u t p u t a t
0 : LSB first
1 : MSB first
: P 7
, 036D
( D u r i n g c l o c k s y n c h r o n o u s
Function
( d u r i n g t r a n s m i s s i o n )
1 6
r e g i s t e r ( t r a n s m i s s i o n c o m p l e t e d )
o u t p u t
N - c h a n n e l o p e n d r a i n o u t p u t
f a l l i n g e d g e o f t r a n s f e r c l o c k
a n d r e c e i v e d a t a i s i n p u t a t
r i s i n g e d g e
r i s i n g e d g e o f t r a n s f e r c l o c k
a n d r e c e i v e d a t a i s i n p u t a t
f a l l i n g e d g e
Address
, 0 3 6 C
0
1
8
3 2
a n d S C L 2 : P 7
16
s e r i a l I / O m o d e )
i s s e l e c t e d
i s s e l e c t e d
, 033D
i s s e l e c t e d
A d d r e s s
F u n c t i o n
1 6
, 0 3 3 C
16
, 032D
Set to “0”
0 : Output disabled
1 : Output enabled
1 6
16
, 0 3 2 C
1
(UART mode)
) i s N - c h a n n e l o p e n d r a i n o u t p u t .
Function
(Note 1)
1 6
When reset
,
b1 b0
0 0 : f
0 0 : f
0 0 : f
0 0 : f
0 1 : f
0 1 : f
0 1 : f
0 1 : f
1 0 : f
1 0 : f
1 0 : f
1 0 : f
1 1 : I n h i b i t e d
1 1 : I n h i b i t e d
1 1 : I n h i b i t e d
1 1 : I n h i b i t e d
V a l i d w h e n b i t 4 = “ 0 ”
0 : C T S f u n c t i o n i s s e l e c t e d ( N o t e 1 )
1 : R T S f u n c t i o n i s s e l e c t e d ( N o t e 4 )
0 : D a t a p r e s e n t i n t r a n s m i t r e g i s t e r
1 : N o d a t a p r e s e n t i n t r a n s m i t
0 : C T S / R T S f u n c t i o n e n a b l e d
1 : C T S / R T S f u n c t i o n d i s a b l e d
Set to “0”
0 : LSB first
1 : MSB first
0 : TxDi/SDAi and SCLi pin is CMOS
1 : TxDi/SDAi and SCLi pin is
( d u r i n g t r a n s m i s s i o n )
r e g i s t e r ( t r a n s m i s s i o n c o m p l e t e d )
output
N-channel open drain output
02
2. Serial Interface Special Function
16
( D u r i n g U A R T m o d e )
1
1
1
1
8
8
8
8
3 2
3 2
3 2
3 2
i s s e l e c t e d
i s s e l e c t e d
i s s e l e c t e d
i s s e l e c t e d
i s s e l e c t e d
i s s e l e c t e d
i s s e l e c t e d
i s s e l e c t e d
i s s e l e c t e d
i s s e l e c t e d
i s s e l e c t e d
i s s e l e c t e d
R W
W h e n r e s e t
F u n c t i o n
0 8
1 6
R
W