参数资料
型号: S3P9664-AM
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PDIP24
封装: 0.300 INCH, SDIP-24
文件页数: 108/148页
文件大小: 784K
代理商: S3P9664-AM
S3C9664/P9664 (Preliminary Spec)
CONTROL REGISTERS
4-37
USBPND — USB Interrupt Pending Register
Page 0, F6H
Bit Identifier
.7
.6
.5
.4
.3
.2
.1
.0
RESET
RESET Value
0
Read/Write
R/W
.7–.6
Not used for S3C9664
.5
USB Reset Interrupt Pending Bit
0
No effect (once read, this bit is cleared automatically)
1
This bit is set, when USB reset need to served
.4
Endpoint Interrupt Pending Bit
0
No effect (once read, this bit is cleared automatically)
1
This bit is set, when endpoint 2 need to served
.3
RESUME Interrupt Pending Bit
0
No effect (once read, this bit is cleared automatically)
1
This bit is set, if RESUME signaling is received while in SUSPEND mode
.2
SUSPEND Interrupt Pending Bit
0
No effect (once read, this bit is cleared automatically)
1
This bit is set, when suspend signaling is received
.1
ENDPOINT1 Interrupt Pending Bit
0
No effect (once read, this bit is cleared automatically)
1
This bit is set, when endpoint1 needs to be serviced
.0
ENDPOINT0 Interrupt Pending Bit
0
No effect (once read, this bit is cleared automatically)
1
This bit is set, while endpoint 0 needs to serviced. It is set under the following
conditions:
OUT_PKT_RDY is set
IN_PKT_RDY get cleared
SENT_STALL gets set
DATA_END gets cleared
SETUP_END gets set
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