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參數資料
型號: W6690
廠商: WINBOND ELECTRONICS CORP
英文描述: ISDN S/T Interface Controller(ISDN S/T接口控制器)
中文描述: 綜合業務數字網的S / T接口控制器(綜合業務數字網S / T的接口控制器)
文件頁數: 7/76頁
文件大小: 471K
代理商: W6690
Preliminary W6690
Publication Release Date: March 1998
- 7 -
Revision A1
4. PIN DESCRIPTION
Table 4.1 W6690 Pin Descriptions
Notation: The suffix
"
*
"
indicates an active LOW signal.
PIN NAME PLCC-68 QFP-100
TYPE
DESCRIPTIONS
MPSEL0
MPSEL1
62
63
84
85
I
I
These two pins select the type of micro-processor
interface:
MPSEL1 MPSEL0 FUNCTION
0 0 PNP ISA mode
0 1 ISA mode
1 0 Intel multiplexed micro-
processor
mode
1 1 Motorola micro-processor mode
TESTP
61
83
I
Used to enable normal operation (1) or enter test mode
(0)
A0
A1
A2/CSIN*
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
7
8
9
10
11
14
15
16
17
18
19
20
27
28
29
30
97
98
99
7
8
11
12
13
14
15
16
17
32
33
34
35
I
PNP ISA mode:
16 bit ISA addresses. During PNP ISA auto-
configuration, A0
A11 are needed. After configuration,
A0
A1 are used to select S/T controller's internal
registers, and A2
A15 are used by the PNP controller
to generate the S/T controller's chip select signal.
ISA mode:
A0
A1 are used to select S/T controller's internal
registers, and A2 is used as the chip select input.
Intel microcontroller mode:
A2 is used as the chip select input. All other pins are
unused.
Motorola microcontroller mode:
A0
A1 are used to select S controller's internal
registers, and A2 is used as the chip select input.
CSO*
21
O, 4 mA PNP ISA mode:
This is the chip select signal generated by the internal
PNP controller.
Other modes: Unused.
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