參數(shù)資料
型號(hào): W925E240
英文描述: Telephone Controller
中文描述: 電話控制器
文件頁數(shù): 27/66頁
文件大?。?/td> 930K
代理商: W925E240
W925E/C240
8-bit CID Microcontroller
Address: C6h
Revision : A6
-27-
Release Date : 2002/7/2
Mnemonic: FSKTC
FTE: FSK transmit Enable; Enable:1, Disable=0
FTM: FSK signal Standard; Bellcore:1, V.23=0
FDS: FSK data sending status
LO0, LO1: FSK transmit level option
FSK output level
150mV
120mV
95mV
75mV
LO1
0
0
1
1
LO0
0
1
0
1
FSK TRANSMIT DATA BUFFER
(initial=00H)
Bit:
7
6
5
4
3
2
1
0
FSKTB.7 FSKTB.6 FSKTB.5 FSKTB.4 FSKTB.3 FSKTB.2FSKTB.1 FSKTB.0
Mnemonic: FSKTB
Address: C7h
FSKTB.0:Only This bit will be latched and send out as FSK signal
DIVIDER CONTROL
(initial=01H)
Bit:
7
-
6
-
5
-
4
-
3
-
2
-
1
-
0
DIVA
Mnemonic: DIVC
Address: C8h
DIVA: Divider available control bit. This bit is set or cleared by software to enable/disable divider.
DIVA=1 to enable the divider. DIVA=0 to disable the divider. DIVA is reset after reset.
PROGRAM STATUS WORD
(initial=00H)
Bit:
7
CY
6
AC
5
F0
4
3
2
OV
1
F1
0
P
RS1
RS0
Mnemonic: PSW
Address: D0h
CY:
Carry flag. Set for an arithmetic operation which results in a carry being generated from
the ALU. It is also used as the accumulator for the bit operations.
Auxiliary carry. Set when the previous operation resulted in a carry from the high order
nibble.
User flag 0. General purpose flag that can be set or cleared by the user.
RS.1-0: Register bank select bits:
RS1 RS0 Register bank Address
0
0
0
00-07h
0
1
1
08-0Fh
1
0
2
10-17h
1
1
3
18-1Fh
AC:
F0:
OV: Overflow flag. Set when a carry was generated from the seventh bit but not from the 8th bit
as a result of the previous operation, or vice-versa.
F1:
User Flag 1. General purpose flag that can be set or cleared by the user by software.
P:
Parity flag. Set/cleared by hardware to indicate odd/even number of 1's in the accumulator.
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