參數(shù)資料
型號(hào): AT43USB325E-AU
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: Multimedia USB Keyboard Controller with Embedded Hub
中文描述: 8-BIT, 12 MHz, RISC MICROCONTROLLER, PQFP64
封裝: 1.40 MM HEIGHT, GREEN, PLASTIC, MS-026ACB, LQFP-64
文件頁(yè)數(shù): 36/109頁(yè)
文件大?。?/td> 643K
代理商: AT43USB325E-AU
36
3355C–USB–4/05
AT43USB325
4.13.5
Suspend/Resume Register – SPRSR
Bit 7 – INTD: External Interrupt D
The INTD bit is set when an external interrupt at the INTD pin is detected.
Bit 6 – INTC: External Interrupt C
The INTC bit is set when an external interrupt at the INTC pin is detected.
Bit 5 – INTB: External Interrupt B
The INTB bit is set when an external interrupt at the INTB pin is detected.
Bit 4 – INTA: External Interrupt A
The INTA bit is set when an external interrupt at the INTA pin is detected.
Note:
INTA/B/C/D cannot be used to wake up the AT43USB325 from the suspend state.
Bit 3 – BUS INT: USB Bus Interrupt
When the USB reset separation feature is enabled (= SPRSIE and SPRSMSK bits 3 are set
to 1) the BUS INT bit is set when USB bus reset is detected by the USB hardware.
Bit 2 – FRWUP: Function Remote Wakeup
The USB hardware sets this bit to signal that a key depression is detected indicating remote
wakeup. An interrupt is generated if the FRWUP IE bit of the SPRSIE register is set.
Bit 1 – RSM: Resume
The USB hardware sets this bit when a USB resume signaling is detected at any of its port
except Port 1. An interrupt is generated if the RSM IE bit of the SPRSIE register is set.
Bit 0 – GLB SUSP: Global Suspend
The USB hardware sets this bit when a USB global suspend signaling is detected. An interrupt is
generated if the GLBSUSP IE bit of the SPRSIE register is set.
Bit
7
6
5
4
3
2
1
0
$1FFA
INTD
INTC
INTB
INTA
BUS INT
FRWUP
RSM
GLB SUSP
SPRSR
Read/Write
R
R
R
R
R/W
R
R
R
Initial Value
0
0
0
0
0
0
0
0
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