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: 28/148页
文件大小: 784K
代理商: S3P9664-AM
UNIVERSAL SERIAL BUS
S3C9664/P9664 (Preliminary Spec)
13-18
XCON REGISTER (XCON)
XCON register is an 8-bit register that is used to adjust signal quality and Port2 (D+/D-) configuration. This
register is located at address FEH (Page1 ) and is read/write addressable.
Bit7
Pull-up resister at(D-) enable bit:
0 : Pull up resister at (D-) disable
1 : Pull up resister at (D-) enable
Bit7
GPIO or USB Port Select bit:
0 : General in/out port enable
1 : USB port enable
NOTE: DLY means delay time of rising/fallling time.
NUM
HEX Value
1
2
3
4
5
0x00
0x38
0x3C
0x3D
0x3E
Result, DM
Default value, 0.88 V, 1.19 V
1.58 V, 1.55 V
1.50 V, 1.50 V
1.65 V, 1.65 V
1.80 V, 1.80 V
Good
NOTE: This value is only for OTP products.
Edge Control
Bit 5, 2
Bit 4, 1
Bit 3, 0
DLY Value
Unit
About 2.5 nsec
0
1
0
1
0
1
DLY 0
DLY 1
DLY 2
DLY 4
0
Rise edge
1
0
1
DLY 4
DLY 2
DLY 1
DLY 0
1
Fall edge
X
5
4
3
2
1
0
Bit
DM
DP
(VDD = 5.12 V)
x - point 1
x - point 2
DP
DM
DP
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