5 INTERRUPT CONTROLLER (ITC)
5-6
Seiko Epson Corporation
S1C17M20/M21/M22/M23/M24/M25
TECHNICAL MANUAL (Rev. 1.0)
Table 5.8.1 Interrupt Level and Priority Settings
ITCLVx.ILVy[2:0] bits
Interrupt level
Priority
0x7
7
High
0x6
6
↑
· · ·
· · ·
0x1
1
↓
0x0
0
Low
The following shows the ITCLV
x
register configuration in this IC.
Table 5.8.2 List of ITCLVx Registers
Register name
Bit
Bit name
Initial
Reset
R/W
Remarks
ITCLV0
(ITC Interrupt Level
Setup Register 0)
15–11 –
0x00
–
R
–
10–8 ILV1[2:0]
0x0
H0
R/W Port interrupt (ILVPPORT)
7–3 –
0x00
–
R
–
2–0 ILV0[2:0]
0x0
H0
R/W Supply voltage detector interrupt
(ILVSVD3)
ITCLV1
(ITC Interrupt Level
Setup Register 1)
15–11 –
0x00
–
R
–
10–8 ILV3[2:0]
0x0
H0
R/W Clock generator interrupt (ILVCLG)
7–0 –
0x00
–
R
–
ITCLV2
(ITC Interrupt Level
Setup Register 2)
15–11 –
0x00
–
R
–
10–8 ILV5[2:0]
0x0
H0
R/W 16-bit timer Ch.0 interrupt (ILVT16_0)
7–3 –
0x00
–
R
–
2–0 ILV4[2:0]
0x0
H0
R/W Real-time clock interrupt (ILVRTCA_0)
ITCLV3
(ITC Interrupt Level
Setup Register 3)
15–11 –
0x00
–
R
–
10–8 ILV7[2:0]
0x0
H0
R/W 16-bit timer Ch.1 interrupt (ILVT16_1)
7–3 –
0x00
–
R
–
2–0 ILV6[2:0]
0x0
H0
R/W UART Ch.0 interrupt (ILVUART3_0)
ITCLV4
(ITC Interrupt Level
Setup Register 4)
15–11 –
0x00
–
R
–
10–8 ILV9[2:0]
0x0
H0
R/W I
2
C interrupt (ILVI2C_0)
7–3 –
0x00
–
R
–
2–0 ILV8[2:0]
0x0
H0
R/W Synchronous serial interface Ch.0
interrupt (ILVSPIA_0)
ITCLV5
(ITC Interrupt Level
Setup Register 5)
15–11 –
0x00
–
R
–
10–8 ILV11[2:0]
0x0
H0
R/W 16-bit PWM timer Ch.1 interrupt
(ILVT16B_1)
7–3 –
0x00
–
R
–
2–0 ILV10[2:0]
0x0
H0
R/W 16-bit PWM timer Ch.0 interrupt
(ILVT16B_0)
ITCLV6
(ITC Interrupt Level
Setup Register 6)
15–11 –
0x00
–
R
–
10–8 ILV13[2:0]
0x0
H0
R/W Sound generator interrupt
(ILVSNDA_0)
7–3 –
0x00
–
R
–
2–0 ILV12[2:0]
0x0
H0
R/W UART Ch.1 interrupt (ILVUART3_1)
ITCLV7
(ITC Interrupt Level
Setup Register 7)
15–8 –
0x00
–
R
–
7–3 –
0x00
–
R
–
2–0 ILV14[2:0]
0x0
H0
R/W IR remote controller interrupt
(ILVREMC3_0)
ITCLV8
(ITC Interrupt Level
Setup Register 8)
15–11 –
0x00
–
R
–
10–8 ILV17[2:0]
0x0
H0
R/W R/F converter Ch.1 interrupt
(ILVRFC_1)
7–3 –
0x00
–
R
–
2–0 ILV16[2:0]
0x0
H0
R/W R/F converter Ch.0 interrupt
(ILVRFC_0)