參數(shù)資料
型號(hào)： SAA8117HL
廠商： NXP SEMICONDUCTORS
元件分類： 消費(fèi)家電
英文描述： REFLECTIVE PHOTOSENSOR SMD
中文描述： SPECIALTY CONSUMER CIRCUIT, PQFP100
封裝： 14 X 14 MM, 1.40 MM HEIGHT, PLASTIC, SOT-407-1, LQFP-100
文件頁數(shù)： 38/60頁
文件大?。?/td> 231K
代理商： SAA8117HL
1999 Apr 02
38
Philips Semiconductors
Product specification
Digital camera USB interface IC
SAA8117HL
Table 13
Set mode and write register overview
Table 14
Detailed description of PSIE-MMU control byte (byte 3)
BYTE
SET MODE AND WRITE
1
N1 timer; programmable timer for power management; counts 12 MHz cycles; must be bigger than number
of cycles needed for the microcontroller to go in power-down state after pin SUSREADYNOT is made LOW
N2 timer; programmable timer for power management; counts 12 MHz cycles; determines the time between
when the microcontroller clock is switched off and the main clock is switched off
PSIE-MMU control byte (see Table 14)
2
3
7
6
5
4
3
2
1
0
PARAMETER
X
X
X
reserved
interrupt after isochronous audio transfer
for each isochronous audio transfer an interrupt to the microcontroller will
be generated; default set to logic 1 upon general Power-on reset and/or
bus reset by the SAA8117HL
no interrupts are given to the microcontroller
interrupt after isochronous video transfer
for each isochronous video transfer an interrupt to the microcontroller will
be generated; default set to logic 1 upon general Power-on reset and/or
bus reset by the SAA8117HL
no interrupts are given to the microcontroller
audio end-point
audio end-point enabled; default set to logic 1 upon general Power-on reset
and/or bus reset by the SAA8117HL
audio end-point disabled; the PSIE-MMU will not react on in-tokens on the
audio end-point
video end-point
video end-point enabled; default set to logic 1 upon general Power-on reset
and/or bus reset by the SAA8117HL
video end-point disabled; the PSIE-MMU will not react on in-tokens on the
video end-point
error debug mode
interrupts are generated only in the event that the transfer is not
successfully completed; the microcontroller can read data from the interrupt
and status registers to see the cause of this error
all successful USB transactions are reported to the microcontroller via an
interrupt; default set to logic 0 upon general Power-on reset by the
SAA8117HL
1
0
1
0
1
0
1
0
1
0
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