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參數(shù)資料
型號: W6694
廠商: WINBOND ELECTRONICS CORP
英文描述: PCI Bus ISDN S/T Interface Controller(PCI總線的ISDN S/T接口控制器)
中文描述: PCI總線的綜合業(yè)務數(shù)字網(wǎng)的S / T接口控制器(綜合業(yè)務數(shù)字網(wǎng)的PCI總線的S / T的接口控制器)
文件頁數(shù): 57/98頁
文件大小: 1338K
代理商: W6694
Data Sheet
W6692A PCI ISDN S/T-Controller
Address 4CH/13H
Publication Release Date:
Mar,2000
Revision 1.0
-57 -
8.1.20 Timer 2
Value after reset : 00H
7
TMD
TIDLE
TMD Timer 2 Mode
0: One shot count down mode. The timer starts when it is written a non-zero count value and stops when it reaches zero.
1: Cyclic timer mode. The timer starts when it is written a non-zero count value and counts cyclically (periodically) with the
count value.
In both cases, a maskable interrupt TIN2 is generated every time the timer reaches zero. When timer starts, pin TOUT2
changes to HIGH and toggles every half count time. Therefore, the period of TOUT2 equals count value.
In both cases, timer counts with the new value if it is written again before expiration.
The timer is stopped when it expires (TMD=0), or by writting zero count value (TMD=0 or 1).
TIDLE TOUT2 Idle
This bit defines value of TOUT2 pin when timer if off.
TCN5-0 Timer 2 Count Value
0: Timer is off.
1-63: Timer count value in unit of ms.
TIMR2 Write
6
5
4
3
2
1
0
TCN5
TCN4
TCN3
TCN2
TCN1
TCN0
8.1.21 Layer 1_Ready Code
Value after reset: 0CH
7
6
0
0
RC3-0 Ready Code
When GCI bus is being enabled, these four programmable bits are allowed to program different Layer 1_Ready Code (AI:
Activation Indication) by user. For example: Siemens PEB2091: AI=1100, Motorola MC145572: AI=1100.
L1_RC Read/Write
Address 50H/14H
5
0
4
0
3
2
1
0
RC3
RC2
RC1
RC0
8.1.22 Control Register
Value after reset : 00H
7
6
0
0
CTL Read/Write Address 54H/15H
5
4
0
3
0
2
0
1
0
SRST
OPS1
OPS0
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