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參數資料
| 型號： | W81E381D |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | FULL SPEED USB INTEGRATED MICROCONTROLLER |
| 中文描述： | FLASH, 12 MHz, MICROCONTROLLER, PQFP48 |
| 封裝： | 7 X 7 MM, 1.40 MM HEIGHT, LQFP-48 |
| 文件頁數： | 43/63頁 |
| 文件大小： | 695K |
| 代理商： | W81E381D |
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W81E381D/W81E381AD
Publication Release Date: January 2002
- 43 - Revision 0.52
4.5.19 Register Descriptions - USB Device SFRs (BF)
SCON
Address: S:BFH
Reset State: 1011 0000H
SIE Control Register1: This register contains bits for SIE using RXD enable, SIE LS enable, SIE
CRC16-based EOP check patch, SIE time-out detection patch, SIE end-of-sync detection modes, SIE
EOP detection modes control.
7
6
5
4
3
2
1
0
SIERXDE
SIELSE
SECKPAT
STODPAT
SEOSMOD1
SEOSMOD0
SEOPMOD1
SEOPMOD0
Bit
Number
7
Bit
Mnemonic
SIERXDE
Function
SIE Using RXD Enable: (Reserved for test only)
The bit is used to select either the differential receiver output RXD (UBPRXD) or
the single-ended receiver output RXDP/RXDM (VPIN/VMIN) as the received
serial data for SIE input. Set ‘1’, SIE uses RXD (UBPRXD); set ‘0’, SIE used
RXDP/RXDM (VPIN/VMIN). Default is set to ‘1’ (using RXD= UBPRXD) after
power-on-reset.
SIE Low-Speed Enable: (Reserved for test only)
The bit is used to select SIE operated either in Low-Speed Mode or in Full-
Speed Mode. Set ‘0’ SIE operate in Full-Speed Mode; set ‘1’, SIE operates in
Low-Speed Mode. Normally, Hub/SIE is default set to full-speed mode (i.e.
cleared to ‘0’) after power-on-reset.
SIE CRC16-Based EOP Check Patch Enable: (Reserved for test only)
This bit is used by FW to enable the patch for SIE detecting CRC16-based
EOP=K/J001 with K/J=(80+80)ns and 00=3*SE0=(160+80)ns. ‘1’ is patch
enabled; ‘0’ is patch disabled. Default is set to ‘1’ after POR.
SIE Time-Out Detection Patch Enable: (Reserved for test only)
This bit is used by FW to enable the patch for SIE detecting time_out_16 bug
during waiting for CRC5-based EOP. ‘1’ is patch enabled; ‘0’ is patch disabled.
Default is set to ‘1’ after POR.
SIE EOS Detection Modes: (Reserved for test only)
These bits are used to select one of the following SIE EOS (End-Of-Sync)
detection modes:
00 – SYNC Pattern = “- -JKJKK” (Default)
01 – SYNC Pattern = “- -J -JKK”
10 – SYNC Pattern = “- - -KJKK”
11 – SYNC Pattern = “- - - -JKK”
Repeater EOP Detection Modes: (Reserved for test only)
These bits are used to select one of the following repeater EOP detection
modes:
00 – Normal Mode (Default)
01 – Relax Mode 1
10 – Relax Mode 2
11 – Relax Mode 3
6
SIELSE
5
SECKPAT
4
STODPAT
3:2
SEOSMOD1:0
1:0
SEOPMOD1:0
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