
502
Table 14.8
Serial Mode Register Settings and SCI Communication Formats
SMR Settings
SCI Communication Format
Mode
Bit 7
C/
A
Bit 6
CHR
Bit 5
PE
Bit 2
MP
Bit 3
STOP
Data
Length
Parity
Bit
Multipro-
cessor Bit
Stop Bit
Length
Asynchronous
0
0
0
0
0
8-bit
Not set
Not set
1 bit
1
2 bits
1
0
Set
1 bit
1
2 bits
1
0
0
7-bit
Not set
1 bit
1
2 bits
1
0
Set
1 bit
1
2 bits
Asynchronous
0
*
1
0
8-bit
Not set
Set
1 bit
(multiprocessor
*
1
2 bits
format)
1
*
0
7-bit
1 bit
*
1
2 bits
Clock
synchronous
1
*
*
*
*
8-bit
Not set
None
Note:
Asterisks (
*
) in the table indicate don’t-care bits.
Table 14.9
SMR and SCR Settings and SCI Clock Source Selection
SMR
SCR Settings
SCI Transmit/Receive Clock
Mode
Bit 7
C/
A
Bit 1
CKE1
Bit 0
CKE0
Clock Source
SCK Pin Function
*
Asynchronous
0
0
0
Internal
SCI does not use the SCK pin
1
Outputs a clock with frequency
matching the bit rate
1
0
External
Inputs a clock with frequency 16 times
the bit rate
1
Clock synch-
1
0
0
Internal
Outputs the synchronous clock
ronous
1
1
0
External
Inputs the synchronous clock
1
Note:
*
Select the function in combination with the pin function controller (PFC).
Summary of Contents for SH7041 Series
Page 2: ......
Page 6: ......
Page 38: ...xvi ...
Page 44: ...6 ...
Page 46: ...8 ...
Page 48: ...10 ...
Page 82: ...44 ...
Page 114: ...76 ...
Page 118: ...80 ...
Page 124: ...86 ...
Page 170: ...132 ...
Page 250: ...212 ...
Page 492: ...454 ...
Page 506: ...468 ...
Page 604: ...566 ...
Page 684: ...646 ...
Page 706: ...668 ...
Page 778: ...740 ...
Page 780: ...742 ...
Page 818: ...780 ...
Page 850: ...812 ...
Page 923: ...SH7040 SH7041 SH7042 SH7043 SH7044 SH7045 Group Hardware Manual REJ09B0044 0600O ...