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參數(shù)資料
| 型號(hào)： | ISP1130N |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | Universal Serial Bus compound hub with integrated keyboard controller |
| 中文描述： | SPECIALTY MICROPROCESSOR CIRCUIT, PDIP56 |
| 封裝： | PLASTIC, SDIP-56 |
| 文件頁(yè)數(shù)： | 43/68頁(yè) |
| 文件大?。?/td> | 1786K |
| 代理商： | ISP1130N |
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Philips Semiconductors
ISP1130
USB compound hub with keyboard controller
Objective specification
Rev. 01 — 23 March 2000
43 of 68
9397 750 06895
Philips Electronics N.V. 2000. All rights reserved.
[1]
This register can only be written if bit WLE in the PCON register is set to logic 1.
10.7.1
Watchdog timer software example
The following example shows how the Watchdog timer operation might be handled in
a user program.
;at program start
WDT
PCON
WDT_INT
EQU
EQU
EQU
0FFH
087H
156
;address of watchdog timer SFR
;address of power-control SFR
;WDT internal 100 * prescaler overflow
;call to subroutine which reloads the WDT
LCALL
WATCHDOG
;watchdog subroutine
WATCHDOG:
ORL
MOV
RET
PCON,#10H
WDT,#WDT_INT
;set WLE bit in PCON
;load watchdog timer with interval
Table 70: WDTKEY register: bit allocation
Bit
7
Symbol
Reset
0
Access
W
6
5
4
3
2
1
0
WDK[7:0]
1
W
0
W
1
W
0
W
1
W
0
W
1
W
Table 71: WDTKEY register: bit description
Bit
Symbol
7 to 0
WDK[7:0]
Description
Watchdog Key: a value of 55H disables the Watchdog timer and
inhibits the setting of bit PD in the PCON register. Any other value
than 55H will (re)enable the Watchdog timer.
Table 72: WDT register: bit allocation
Bit
7
Symbol
Reset
0
Access
W
6
5
4
3
2
1
0
WDL[7:0]
0
W
0
W
0
W
0
W
0
W
0
W
0
W
Table 73: WDT register: bit description
Bit
Symbol
7 to 0
WDL[7:0]
Description
Watchdog Load value. The Watchdog timer interval is given by
(256
WDL) in units of 1.024 ms (12 MHz clock frequency).
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|---|---|
| ISP1160 | Embedded Universal Serial Bus Host Controller |
| ISP1160BD | Embedded Universal Serial Bus Host Controller |
| ISP1160BM | Embedded Universal Serial Bus Host Controller |
| ISP1161A | Full-speed Universal Serial Bus single-chip host and device controller |
| ISP1161ABD | Full-speed Universal Serial Bus single-chip host and device controller |
相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| ISP1160 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Embedded Universal Serial Bus Host Controller |
| ISP1160BD | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Embedded Universal Serial Bus Host Controller |
| ISP1160BD,157 | 功能描述:USB 接口集成電路 USB 1.1 HOST CONTROLLER RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
| ISP1160BD/01 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Embedded Universal Serial Bus Host Controller |
| ISP1160BD/01,118 | 功能描述:USB 接口集成電路 USB HOST CTRL RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
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