m30833fjgp Renesas Electronics Corporation., m30833fjgp Datasheet - Page 240

• Manufacturer Part Number: m30833fjgp
• Description: Renesas 16/32-bit Single-chip Microcomputer M16c Family / M32c/80 Series
• Manufacturer: Renesas Electronics Corporation.

R
R
M
e
E
3
. v
J
Figure 16.28 Bit Function Related Bus Conflict Detection
2
0
1
9
C
3 .
B
8 /
0
1
TxDi
Timer Aj
Transfer Clock
RxDi
TxDi
TxDi
Transfer Clock
TxDi
RxDi
IR bit in
BCNilC register
TE bit in
UiC1 register
Transfer Clock
CLKi
RxDi
3
0
(1) The ABSCS Bit in the UiSMR Register (Bus conflict and sampling clock selected)
(3) The SSS bit in the UiSMR Register (Transmit start condition selected)
(2) The ACSE Bit in the UiSMR Register (Transmit enable bit is automatically cleared)
3
J
G
4
a
NOTES:
0 -
n
o r
(i=0 to 4)
3 .
1
1. Data is transmitted on the falling edge of RxDi when IOPOL is set to "0".
2. Data transmission condition must be met before the falling edge of RxD.
u
, 1
3
p
Data is transmitted on the rising edge of RxDi when IOPOL is set to "1".
1
2
(
M
0
When SSS is set to "0", data is transmitted after one transfer clock cycle if data transmission is enabled.
When SSS is set to "1", data is transmitted on the rising edge of RxDi
0
3
6
2
C
Page 217
8 /
Timer Aj: timer A3 in UART0 or UART3, timer A4 in UART1 or UART4, timer A0 in UART2
, 3
transmit enable conditons are met
(Note 2)
M
Bus conflict is detected on the rising edge of the transfer clock when ABSCS is set to "0"
3
2
C
f o
ST
Trigger signal is applied to the TAj
ST
8 /
4
3
8
) T
8
When ABSCS is set to "1", bus conflict is detected when the timer Aj underflows
(in the one-shot mode). An interrupt request is generated.
ST
ST
D
D
0
0
D
D
0
0
D
D
1
1
D
D
1
1
D
D
2
2
D
D
2
2
D
D
3
3
IN
D
D
pin
3
3
D
D
4
4
D
D
4
4
D
D
5
5
(1)
D
D
5
5
D
D
6
6
16. Serial I/O (Special Function)
D
D
6
6
D
D
7
7
D
D
7
7
D
D
8
8
D
D
8
8
SP
SP
SP
SP