參數(shù)資料
型號： W925C625
英文描述： Telephone Controller
中文描述： 電話控制器
文件頁數(shù)： 25/71頁
文件大?。?/td> 1055K
代理商： W925C625
W925E/C625
8-bit CID Microcontroller
Revision : A6
-25-
Release Date : 2002/7/2
Bit:
7
-
6
5
-
4
-
3
2
1
0
IRCS1
IRCT1
IRCX1
IRCT0
IRCX0
Mnemonic: IRC1
Address: BCh
One of the bit of IRC1 and IRC2 will be set by hardware to record the idle released condition
when the idle mode is released. IRC1 and IRC2 can be set by hardware and can be R/W by
software.
IRCS1: Idle mode released by Serial port interrupt flag.
IRCT1: Idle mode released by Timer 1 interrupt flag.
IRCX1: Idle mode released by external interrupt 1 flag.
IRCT0: Idle mode released by Timer 0 interrupt flag.
IRCX0: Idle mode released by external interrupt 0 flag.
IDLE RELEASED CONDITION REGISTER 2
(initial=00H)
Bit:
7
-
6
-
5
4
3
2
1
0
IRCWDI IRCCOMP IRCDIV IRCCID IRCX3
IRCX2
One of the bit of IRC1 and IRC2 will be set by hardware to record the idle released condition
when the idle mode is released. IRC1 and IRC2 can be set by hardware and can be R/W by
software.
IRCWDI: Idle mode released by Watchdog timer interrupt flag.
IRCCOMP: Idle mode released by comparator interrupt flag.
IRCDIV: Idle mode released by Divider interrupt flag.
IRCCID: Idle mode released by CID interrupt flag.
IRCX3: Idle mode released by External Interrupt 3 flag.
IRCX2: Idle mode released by External Interrupt 2 flag.
Mnemonic: IRC2
Address: BDh
CAS TONE PRESENT TIME REGISTER
(initial=0FH)
Bit:
Mnemonic: CASPT
7
6
5
4
3
2
1
0
CASPT7 CASPT6 CASPT5 CASPT4 CASPT3 CASPT2 CASPT1 CASPT0
The clock period of guard-time timer is 0.8582mS. The default alert tone present time is 12.87mS.
CASPT7-0: The pre-set data register for counting CAS tone present time. When CAS tone is
detected (ALGR low to high), the guard timer starts to up-count from 00H. As the
guard timer is equal to the value of CASPT, the exist of the CAS tone is accepted.
ALGR changes to low state to stop and reset the counter.
Address: BEh
CAS TONE ABSENT TIME REGISTER
(initial=0FH)
Bit:
Mnemonic: CASAT
7
6
5
4
3
2
1
0
CASAT7 CASAT6 CASAT5 CASAT4 CASAT3 CASAT2 CASAT1 CASAT0
The clock period of guard-time timer is 0.8582mS. The default alert tone absent time is 12.87mS.
CASAT7-0: The pre-set data register for counting CAS tone absent time. When CAS tone is
absent (ALGR high to low), the guard timer starts to up-count from 00H. As the
guard timer is equal to the value of CASAT, the finish of CAS tone is recognized.
ALGR changes to high state to stop and reset the counter.
Address: BFh
SERIAL PORT CONTROL
(initial=00H)
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