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AT90SCR100 데이터시트(PDF) 217 Page - ATMEL Corporation

부품명 AT90SCR100
상세설명  8-bit Microcontroller for Smart Card Readers
PDF  433 Pages
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제조업체  ATMEL [ATMEL Corporation]
홈페이지  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT90SCR100 데이터시트(HTML) 217 Page - ATMEL Corporation

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217
TPR0327AY–SMS–30Jan09
AT90SCR100
Figure 17-10.
USB Host Controller Pipe Interrupt System
17.6.1
Idle and Power-Down
The CPU exits from Idle and Power-Down mode with any USB Interrupts.
17.7
USB Host Controller Registers
17.7.1
UHCR - USB Host Control Register
• Bit 7 - UHEN : USB Host Enable
Set this bit to enable the USB Host Controller. This will connect CC4 and CC8 to USB Host block
output signals.
Clear this bit to disable USB Host controller and reconnect CC4 and CC8 pads to standard
SmartCard Interface Block pads.
• Bit 6..5 - PAD1..0 : Pad Type
These bits switch the D+/D- of the USB Host Controller outputs to specific pads as follow:
• 00 : Pad electrically compliant to USB 2.0 (USB Host pads)
• 01 : Pad electrically compliant to USB-IC (SCIB pads)
• Others : Reserved for future use
FLERRE
UPIEN.7
UNDERFI
UPSTAX.5
OVERFI
UPSTAX.6
NAKEDI
UPINTX.6
NAKEDE
UPIEN.6
PERRI
UPINTX.4
PERRE
UPIEN.4
TXSTPI
UPINTX.3
TXSTPE
UPIEN.3
TXOUTI
UPINTX.2
TXOUTE
UPIEN.2
RXSTALLI
UPINTX.1
RXSTALLE
UPIEN.1
RXINI
UPINTX.0
RXINE
UPIEN.0
FLERRE
UPIEN.7
PIPE 0
PIPE 1
PIPE 2
PIPE 3
USB Host
Pipe Interrupt
Bit
7
6
5
4321
0
$009E
UHEN
PAD [1..0]
FRZCLK
-
RESUME
RESET
SOFEN
UHCR
Read/write
R/W
R/W
R/W
R/W
R
R/W
R/W
R/W
Initial value
0
0
0
1000
0
0x00



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