2
ISCS: EI
OS status register
IOAL: Lower byte of the I/O address register
IOAH: Higher byte of the I/O address register
DCTL: Lower byte of the data counter
DCTH: Higher byte of the date counter
Figure 15.3-3 Example of EI
AN3
Start activation
AN4
AN5
2
OS Activation in Successive Mode
2
Interrupt
EI
OS transfer
2
Interrupt
EI
OS transfer
2
Interrupt
EI
OS transfer
15.3 Operation of A/D Converter
After a total of
six transmissions
Interrupt sequence
End
247