Epson S1C17624 Technical Manual page 54

6 inTeRRuPT COnTROlleR (iTC)
S1C17 Core
interrupt controller
Interrupt
request
Interrupt
level
Vector
number
NMI
Watchdog timer
Debug signal
Reset signal
6.2 Vector Table
The vector table contains the vectors to the interrupt handler routines (handler routine start address) that will be
read by the S1C17 Core to execute the handler when an interrupt occurs.
Table 6.2.1 shows the vector table of the S1C17624/604/622/602/621.
Vector no.
Vector address
Software interrupt no.
0 (0x00) TTBR + 0x00
1 (0x01) TTBR + 0x04
– (0xfffc00)
2 (0x02) TTBR + 0x08
3 (0x03) TTBR + 0x0c
4 (0x04) TTBR + 0x10
5 (0x05) TTBR + 0x14
6 (0x06) TTBR + 0x18
7 (0x07) TTBR + 0x1c
8 (0x08) TTBR + 0x20
9 (0x09) TTBR + 0x24
10 (0x0a) TTBR + 0x28
11 (0x0b) TTBR + 0x2c
12 (0x0c) TTBR + 0x30
13 (0x0d) TTBR + 0x34
14 (0x0e) TTBR + 0x38
15 (0x0f) TTBR + 0x3c
6-2
Interrupt
control
Interrupt level
Vector number
Interrupt level
Vector number
Figure 6.
Table 6.
hardware interrupt name
Reset
Address misaligned interrupt
Debugging interrupt
NMI
Reserved for C compiler
P0 port interrupt
P1 port interrupt
Stopwatch timer (SWT) interrupt
Clock timer (CT) interrupt
Real-time clock (RTC) interrupt
(S1C17624/604)
8-bit OSC1 timer (T8OSC1) interrupt Compare match
Supply voltage detector (SVD)
interrupt
LCD driver (LCD) interrupt
16-bit PWM timer (T16A2) Ch.0
interrupt
(S1C17624/604)
16-bit PWM timer (T16E) Ch.0
interrupt
8-bit timer (T8F) Ch.0 & Ch.1
interrupt
16-bit timer (T16) Ch. 0 interrupt
16-bit timer (T16) Ch. 1 interrupt
16-bit timer (T16) Ch. 2 interrupt
Seiko epson Corporation
Peripheral module
Interrupt
request
Peripheral module
Interrupt
request
1.1 Interrupt System
2.1 Vector Table
Cause of hardware interrupt
• Low input to the #RESET pin
• Watchdog timer overflow
Memory access instruction
brk instruction, etc.
Watchdog timer overflow
P00–P07 port inputs
P10–P17 port inputs
• 100 Hz timer signal
• 10 Hz timer signal
• 1 Hz timer signal
• 32 Hz timer signal
• 8 Hz timer signal
• 2 Hz timer signal
• 1 Hz timer signal
1/64 second, 1 second, 1 minute, or 1 hour
count up
Low supply voltage detected
Frame signal
• Compare A/B
• Capture A/B
• Capture A/B overwrite
• Compare A
• Compare B
Timer underflow
Timer underflow
Timer underflow
Timer underflow
S1C17624/604/622/602/621 TeChniCal Manual
Interrupt flag
Cause of interrupt 1
Interrupt enable
Interrupt flag
Cause of interrupt n
Interrupt enable
Interrupt flag
Cause of interrupt 1
Interrupt enable
Interrupt flag
Cause of interrupt n
Interrupt enable
*2
*2
–
Priority
1
2
3
4
–
*1
High
↑