參數(shù)資料
型號(hào): ISP1161ABM
廠商: NXP SEMICONDUCTORS
元件分類: 總線控制器
英文描述: Full-speed Universal Serial Bus single-chip host and device controller
中文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP64
封裝: 7 X 7 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-414-1, LQFP-64
文件頁數(shù): 110/134頁
文件大?。?/td> 587K
代理商: ISP1161ABM
Philips Semiconductors
ISP1161A
Full-speed USB single-chip host and device controller
Product data
Rev. 03 — 23 December 2004
110 of 134
9397 750 13962
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
When ISP1161A’s DC enters ‘suspend’ state (by setting and clearing bit GOSUSP in
the DcMode register), outputs D_SUSPEND and CLKOUT change state after
approximately 2 ms delay. When NOLAZY = 0 the clock signal on output CLKOUT
does not stop, but changes to the 100 kHz
±
50 % LazyClock frequency.
When resuming from ‘suspend’ state by a positive pulse on input D_WAKEUP, output
SUSPEND is cleared and the clock signal on CLKOUT restarted after a 0.5 ms delay.
The timing of the CLKOUT signal at ‘suspend’ and ‘resume’ is given in
Figure 48
.
Fig 47. Oscillator and LazyClock logic.
MGS775
CLKRUN
hardware
configuration
register
CLKDIV[3:0]
NOLAZY
÷
(N + 1)
1
0
N
PLL 8
×
XTAL OSC
LAZYCLOCK
enable
enable
4
NOLAZY
CLKOUT
enable
6 MHz
48 MHz
SUSPEND
.
.
100 (±50 %) kHz
If enabled, the 100
±
50 % kHz LazyClock frequency will be output on pin CLKOUT during ‘suspend’ state.
Fig 48. CLKOUT signal timing at ‘suspend’ and ‘resume’ for DC.
004aaa038
D_WAKEUP
GOSUSP
1.8 to 2.2 ms
0.5 ms
PLL circuit stable
3 to 4 ms
D_SUSPEND
CLKOUT
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