R01UH0823EJ0100 Rev.1.00
Page 1008 of 1823
Jul 31, 2019
RX23W Group
33. Serial Communications Interface (SCIg, SCIh)
33.2.21
Control Register 0 (CR0)
33.2.22
Control Register 1 (CR1)
Address(es): SCI12.CR0 0008 B321h
b7
b6
b5
b4
b3
b2
b1
b0
—
—
—
—
BRME RXDSF SFSF
—
Value after reset:
0
0
0
0
0
0
0
0
Bit
Symbol
Bit Name
Description
R/W
b0
—
Reserved
This bit is read as 0. The write value should be 0.
R/W
b1
Start Frame Status Flag
0: Start Frame detection function is disabled.
1: Start Frame detection function is enabled.
R
b2
RXDX12 Input Status Flag
0: RXDX12 input is enabled.
1: RXDX12 input is disabled.
R
b3
Bit Rate Measurement
Enable
0: Measurement of bit rate is disabled.
1: Measurement of bit rate is enabled.
R/W
b7 to b4
—
Reserved
These bits are read as 0. The write value should be 0.
R/W
Address(es): SCI12.CR1 0008 B322h
b7
b6
b5
b4
b3
b2
b1
b0
PIBS[2:0]
PIBE
CF1DS[1:0]
CF0RE
BFE
Value after reset:
0
0
0
0
0
0
0
0
Bit
Symbol
Bit Name
Description
R/W
b0
Break Field Enable
0: Break Field detection is disabled.
1: Break Field detection is enabled.
R/W
b1
Control Field 0 Reception
Enable
0: Reception of Control Field 0 is disabled.
1: Reception of Control Field 0 is enabled.
R/W
b3, b2
Control Field 1 Data Register
Select
b3 b2
0 0: Selects comparison with the value in PCF1DR.
0 1: Selects comparison with the value in SCF1DR.
1 0: Selects comparison with the values in PCF1DR and
SCF1DR.
1 1: Setting prohibited.
R/W
b4
Priority Interrupt Bit Enable
0: The priority interrupt bit is disabled.
1: The priority interrupt bit is enabled.
R/W
b7 to b5
Priority Interrupt Bit Select
b7
b5
0 0 0: 0th bit of Control Field 1
0 0 1: 1st bit of Control Field 1
0 1 0: 2nd bit of Control Field 1
0 1 1: 3rd bit of Control Field 1
1 0 0: 4th bit of Control Field 1
1 0 1: 5th bit of Control Field 1
1 1 0: 6th bit of Control Field 1
1 1 1: 7th bit of Control Field 1
R/W