Renesas rl78 User Manual
RL78/G1A
CHAPTER 12 SERIAL ARRAY UNIT
R01UH0305EJ0200 Rev.2.00
415
Jul 04, 2013
Figure 12-7. Format of Serial Communication Operation Setting Register mn (SCRmn) (2/2)
Address: F0118H, F0119H (SCR00) to F011EH, F011FH (SCR03), After reset: 0087H R/W
F0158H, F0159H (SCR10), F015AH, F015BH (SCR11)
Note 1
Symbol 15
14
13
12
11
10
9 8 7 6 5 4 3 2 1 0
SCRmn
TXE
mn
RXE
mn
DAP
mn
CKP
mn
0
EOC
mn
PTC
mn1
PTC
mn0
DIR
mn
0
SLCm
n1
Note 2
SLC
mn0
0 1
DLSm
n1
Note 3
DLS
mn0
Setting of parity bit in UART mode
PTC
mn1
PTC
mn0
Transmission Reception
0
0
Does not output the parity bit.
Receives without parity
0
1
Outputs 0 parity
Note 4
.
No parity judgment
1
0
Outputs even parity.
Judged as even parity.
1
1
Outputs odd parity.
Judges as odd parity.
Be sure to set PTCmn1, PTCmn0 = 0, 0 in the CSI mode and simplified I
2
C mode.
DIR
mn
Selection of data transfer sequence in CSI and UART modes
0
Inputs/outputs data with MSB first.
1
Inputs/outputs data with LSB first.
Be sure to clear DIRmn = 0 in the simplified I
2
C mode.
SLCm
n1
Note 2
SLC
mn0
Setting of stop bit in UART mode
0
0
No stop bit
0
1
Stop bit length = 1 bit
1
0
Stop bit length = 2 bits (mn = 00, 02, 10 only)
1 1
Setting
prohibited
When the transfer end interrupt is selected, the interrupt is generated when all stop bits have been completely
transferred.
Set 1 bit (SLCmn1, SLCmn0 = 0, 1) during UART reception and in the simplified I
2
C mode.
Set no stop bit (SLCmn1, SLCmn0 = 0, 0) in the CSI mode.
Set 1 bit (SLCmn1, SLCmn0 = 0, 1) or 2 bits (SLCmn1, SLCmn0 = 1, 0) during UART transmission.
DLSm
n1
Note 3
DLS
mn0
Setting of data length in CSI and UART modes
0
1
9-bit data length (stored in bits 0 to 8 of the SDRmn register) (settable in UART mode only)
1
0
7-bit data length (stored in bits 0 to 6 of the SDRmn register)
1
1
8-bit data length (stored in bits 0 to 7 of the SDRmn register)
Other than above Setting prohibited
Be sure to set DLSmn1, DLSmn0 = 1, 1 in the simplified I
2
C mode.
Notes 1. SCR00 to SCR03: All products
SCR10, SCR11: 32, 48, and 64-pin products
2. The SCR00, SCR02, and SCR10 registers only.
3. The SCR00 and SCR01 registers only. Others are fixed to 1.
4. 0 is always added regardless of the data contents.
(Caution and remark are listed on the next page.)
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