HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 816

• Manufacturer Part Number: HD6417320
• Description: Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 22
Analog Front End Interface (AFEIF)
6. After 4 digits of dial pulses are sent, interrupt is generated. (DPST is reset to "0")
7. Set DPNQ1 → "3456H".
8. Write "1" to DPST (ACTR2).
9. After 4 digits of dial pulses are sent, interrupt is generated. (DPST is reset to "0")
10. Set DPNQ2 → "70XXH".
11. Write "1" to DPST (ACTR2).
12. After 1 digit of dial pulse is sent, interrupt is generated. (DPST is reset to "0", and finish
sending)
22.4.4
Wake up Ringing Interrupt
System wake up function by the ringing signal from telephone line is realized by inputting
AFE_RDET signal, which is an input signal for ringing, to PINT pin.
Rev. 3.00 Jan. 18, 2008 Page 754 of 1458
REJ09B0033-0300