Epson S1C88650 - Manual (Page 90)

82 EPSON S1C88650 TECHNICAL MANUAL
5 PERIPHERAL CIRCUITS AND THEIR OPERATION (Clock Timer)
256 Hz
128 Hz
64 Hz
32 Hz
16 Hz
8 Hz
4 Hz
2 Hz
1 Hz
32 Hz interrupt
8 Hz interrupt
2 Hz interrupt
1 Hz interrupt
OSC1/128
TMD0
TMD1
TMD2
TMD3
TMD4
TMD5
TMD6
TMD7
Data bus Interrupt
request
Address
32 Hz falling edge
Interrupt factor
flag FTM32
Address
Interrupt enable
register ETM32
Address
8 Hz falling edge
Interrupt factor
flag FTM8
Address
Interrupt enable
register ETM8
Address
2 Hz falling edge
Interrupt factor
flag FTM2
Address
Interrupt enable
register ETM2
Interrupt priority
level judgement
circuit
Address
Interrupt priority
register PTM0, PTM1
Address
1 Hz falling edge
Interrupt factor
flag FTM1
Address
Interrupt enable
register ETM1
Fig. 5.9.2.1 Configuration of clock timer interrupt circuit
Fig. 5.9.2.2 Timing chart of clock timer