M30280F6HP RENESAS [Renesas Technology Corp], M30280F6HP Datasheet - Page 186

• Manufacturer Part Number: M30280F6HP
• Description: 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/Tiny SERIES
• Manufacturer: RENESAS [Renesas Technology Corp]

M
R
R
e
E
1
Figure 14.1 Block Diagram of UARTi (i = 0 to 2)
. v
J
6
0
C
2
(UART1)
9
2 /
(UART0)
(UART2)
0 .
B
CTS
CTS
0
i = 0 to 2
n
SMD2 to SMD0, CKDIR: Bists in the UiMR register
CLK1 to CLK0, CKPOL, CRD, CRS: Bits in the UiC0 register
CLKMD0, CLKMD1, RCSP: Bits in the UCON register
8
0
CTS
CTS
i
: Values set to the UiBRG register
0
Clock source selection
G
4
J
1
0
7
a
/ CLKS
o r
0
/ RTS
2
f
0 -
. n
1SIO or
f
f
/ RTS
/ RTS
1SIO or
1SIO or
RxD
CLK
u
2
RxD
CLK
RxD
CLK
3
p
Clock source selection
0
f
, 1
1
Clock source selection
32SIO
f
0
f
f
f
2SIO
8SIO
1
(
32SIO
1
1
32SIO
f
/
f
f
f
8SIO
8SIO
0
2SIO
0
0
2
2SIO
2
2
M
2
CTS
0
1
0
01
6
0
01
CTS/RTS selected
CLK1 to CLK0
reversing
01
7
00
CKPOL
CTS/RTS
selected
polarity
C
CLK1 to CLK0
CKPOL
reversing
from UART1
2
10
CLK1 to CLK0
CKPOL
reversing
circuit
00
polarity
00
2
10
CLK
Clock output
pin select
2
10
polarity
circuit
2
CLKMD1=1
CLKMD1=0
circuit
CLK
2
External
External
CLK
2 /
2
2
2
2
External
page 166
Internal
, 8
Internal
Internal
CRS=1
CRS=1
CRS=0
reversing circuit
CRS=0
RxD polarity
M
CKDIR=0
CKDIR=1
1
CKDIR=0
CKDIR=1
CKDIR=0
CKDIR=1
Clock synchronous type
(when internal clock is selected)
Clock synchronous type
(when internal clock is selected)
6
Main clock, PLL clock, or
on-chip oscillator clock
CTS/RTS selected
RCSP=0
RCSP=1
CLKMD0=0
CLKMD0=1
C
V
CTS/RTS disabled
CTS/RTS disabled
2 /
CC
f o
1 / (n
CTS/RTS disabled
CRD=1
CRD=0
1 / (n
1 / (n
8
3
U1BRG
register
U2BRG
register
U0BRG
register
CRS=1
CRS=0
) B
8
5
1
Clock synchronous type
(when internal clock is selected)
0
2
+1)
+1)
+1)
Clock synchronous type
(when external clock is selected)
Clock synchronous type
(when external clock is selected)
Clock synchronous type
(when external clock is selected)
V
V
V
CC
CC
CTS/RTS disabled
CC
CTS/RTS disabled
CRD=1
CRD=1
CRD=0
CRD=0
CTS/RTS disabled
CRD=1
CRD=0
1/16
1/16
1/2
1/16
1/16
1/16
1/16
1/2
1/2
RTS
CTS
UART transmission
Clock synchronous type
(when internal clock is selected)
Clock synchronous
type
Clock synchronous type
(when internal clock is selected)
UART transmission
Clock synchronous type
(when internal clock is selected)
UART transmission
Clock synchronous
type
UART reception
Clock synchronous
type
Clock synchronous
type
Clock synchronous
type
Clock synchronous
type
UART reception
UART reception
2
2
1/8
RCSP=1
1/2
RCSP=0
RTS
CTS
f
f
2SIO
1SIO
CKDIR=1
0
CKDIR=0
0
CKDIR=1
CKDIR=0
CKDIR=1
CKDIR=0
RTS1
CTS
CTS1
1/4
Transmission control
PCLK1=0
PCLK1=1
0
Transmission
control circuit
control circuit
from UART0
control circuit
control circuit
Transmission
control circuit
Reception
Reception
Reception
circuit
f
f
f
8SIO
32SIO
1SIO or
Receive
clock
Transmit
clock
Receive
clock
Transmit
clock
Receive
clock
Transmit
clock
f
2SIO
Transmit/
Transmit/
receive
receive
Transmit/
unit
unit
receive
unit
reversing
polarity
circuit
TxD
14.Serial I/O
TxD
TxD
TxD
1
0
2