12 UART (UART3)
12-14
Seiko Epson Corporation
S1C17M20/M21/M22/M23/M24/M25
TECHNICAL MANUAL (Rev. 1.0)
UART3 Ch.
n
Interrupt Enable Register
Register name
Bit
Bit name
Initial
Reset
R/W
Remarks
UAnINTE
15–8 –
0x00
–
R
–
7
–
0
–
R
6
TENDIE
0
H0
R/W
5
FEIE
0
H0
R/W
4
PEIE
0
H0
R/W
3
OEIE
0
H0
R/W
2
RB2FIE
0
H0
R/W
1
RB1FIE
0
H0
R/W
0
TBEIE
0
H0
R/W
Bits 15–7 Reserved
Bit 6
TENDIE
Bit 5
FEIE
Bit 4
PEIE
Bit 3
OEIE
Bit 2
RB2FIE
Bit 1
RB1FIE
Bit 0
TBEIE
These bits enable UART3 interrupts.
1 (R/W): Enable interrupts
0 (R/W): Disable interrupts
The following shows the correspondence between the bit and interrupt:
UA
n
INTE.TENDIE bit: End-of-transmission interrupt
UA
n
INTE.FEIE bit:
Framing error interrupt
UA
n
INTE.PEIE bit:
Parity error interrupt
UA
n
INTE.OEIE bit:
Overrun error interrupt
UA
n
INTE.RB2FIE bit: Receive buffer two bytes full interrupt
UA
n
INTE.RB1FIE bit: Receive buffer one byte full interrupt
UA
n
INTE.TBEIE bit: Transmit buffer empty interrupt
UART3 Ch.
n
Carrier Waveform Register
Register name
Bit
Bit name
Initial
Reset
R/W
Remarks
UAnCAWF
15–8 –
0x00
–
R
–
7–0 CRPER[7:0]
0x00
H0
R/W
Bits 15–8 Reserved
Bits 7–0
CRPER[7:0]
These bits set the carrier modulation output frequency. For more information, refer to “Carrier Modu-
lation.”