D12320VF25IV Datasheet, PDF (659/1304 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 14 Serial Communication Interface (SCI)
Table 14.8 SMR Settings and Serial Transfer Format Selection
Bit 7
C/A
0
1
SMR Settings
Bit 6 Bit 2 Bit 5
CHR MP PE
0
0
0
1
1
0
1
0
1
—
—
1
—
—
—
—
—
Bit 3
STOP Mode
Data
Length
0
Asynchronous
8-bit data
1
mode
0
1
0
7-bit data
1
0
1
0
Asynchronous
8-bit data
1
mode (multi-
processor
0
format)
7-bit data
1
—
Synchronous mode 8-bit data
SCI Transfer Format
Multi-
processor
Bit
Parity
Bit
Stop Bit
Length
No
No
1 bit
2 bits
Yes
1 bit
2 bits
No
1 bit
2 bits
Yes
1 bit
2 bits
Yes
No
1 bit
2 bits
1 bit
2 bits
No
None
Table 14.9 SMR and SCR Settings and SCI Clock Source Selection
SMR
Bit 7
C/A
0
1
SCR Setting
Bit 1 Bit 0
CKE1 CKE0 Mode
0
0
Asynchronous
1
mode
Clock
Source
Internal
1
0
External
1
0
0
Synchronous Internal
1
mode
1
0
External
1
SCI Transmit/Receive Clock
SCK Pin Function
SCI does not use SCK pin
Outputs clock with same frequency as bit
rate
Inputs clock with frequency of 16 times
the bit rate
Outputs serial clock
Inputs serial clock
Rev.6.00 Sep. 27, 2007 Page 627 of 1268
REJ09B0220-0600