规格 net2890 usb 接口 控制
____________________________________________________________________________________
netchip 技术, inc., 1999
335 pioneer 方法, mountain 视图, 加利福尼亚 94041
电话 (650) 526-1490 传真 (650) 526-1494
http://www.netchip.com
rev 2.0, draft 9, july 16, 1999
5
5.6.8 (index 10h; ep0pktsizlsb) ep0 最大值 小包装板盒 大小 (lsb) .................................................. 52
5.6.9 (index 12h; epapktsizlsb) epa 最大值 小包装板盒 大小 (lsb) ................................................. 52
5.6.10 (index 13h; epapktsizmsb) epa 最大值 小包装板盒 大小 (msb) ............................................... 52
5.6.11 (index 14h; epbpktsizlsb) epb 最大值 小包装板盒 大小 (lsb) ................................................. 52
5.6.12 (index 15h; epbpktsizmsb) epb 最大值 小包装板盒 大小 (msb) ............................................... 53
5.6.13 (index 16h; epcpktsizlsb) epc 最大值 小包装板盒 大小 (lsb)................................................. 53
5.6.14 (index 17h; epcpktsizmsb) epc 最大值 小包装板盒 大小 (msb)............................................... 53
5.6.15 (index 18h; epdpktsizlsb) epd 最大值 小包装板盒 大小 (lsb) ................................................ 53
5.6.16 (index 19h; epdpktsizmsb) epd 最大值 小包装板盒 大小 (msb) .............................................. 53
5.6.17 (index 20h; f0_aeth) 先进先出 0 almost empty 门槛 寄存器...................................... 53
5.6.18 (index 22h; f0_afth) 先进先出 0 almost 全部 门槛 寄存器 ......................................... 54
5.6.19 (index 24h; fa_aeth) 先进先出 一个 almost empty 门槛 寄存器..................................... 54
5.6.20 (index 26h; fa_afth) 先进先出 一个 almost 全部 门槛 寄存器 ........................................ 54
5.6.21 (index 28h; fb_aeth) 先进先出 b almost empty 门槛 寄存器..................................... 54
5.6.22 (index 2ah; fb_afth) 先进先出 b almost 全部 门槛 寄存器 ........................................ 54
5.6.23 (index 2ch; fc_aeth) 先进先出 c almost empty 门槛 寄存器.................................... 54
5.6.24 (index 2eh; fc_afth) 先进先出 c almost 全部 门槛 寄存器........................................ 54
5.6.25 (index 30h; fd_aeth) 先进先出 d almost empty 门槛 寄存器 .................................... 55
5.6.26 (index 32h; fd_afth) 先进先出 d almost 全部 门槛 寄存器........................................ 55
5.6.27 (index ffh; 修订) 修订 寄存器 .......................................................................... 55
6. 标准 设备 requests.................................................................................................. 56
6.1 C
ONTROL
‘R
EAD
’ t
RANSFERS
....................................................................................................... 57
6.1.1 得到 设备 状态.................................................................................................................. 57
6.1.2 得到 接口 状态............................................................................................................... 57
6.1.3 得到 endpoint 状态 .............................................................................................................. 57
6.1.4 得到 设备 descriptor (18 字节) ......................................................................................... 57
6.1.5 得到 配置 descriptor (55 字节) .............................................................................. 58
6.1.6 得到 string descriptor 0......................................................................................................... 60
6.1.7 得到 string descriptor 1......................................................................................................... 60
6.1.8 得到 string descriptor 2......................................................................................................... 61
6.1.9 得到 配置 ................................................................................................................. 61
6.1.10 得到 接口 ......................................................................................................................... 61
6.2 C
ONTROL
‘W
RITE
’ t
RANSFERS
..................................................................................................... 61
6.2.1 设置 地址............................................................................................................................ 61
6.2.2 设置 配置 .................................................................................................................. 61
6.2.3 设置 接口 .......................................................................................................................... 61
6.2.4 设备 clear 特性............................................................................................................ 62
6.2.5 设备 设置 特性................................................................................................................ 62
6.2.6 endpoint clear 特性 ........................................................................................................ 62
6.2.7 endpoint 设置 特性 ............................................................................................................ 62
7. 电的 规格.................................................................................................. 63
7.1 一个
BSOLUTE
M
AXIMUM
R
ATINGS
..................................................................................................... 63
7.2 R
ECOMMENDED
O
PERATING
C
ONDITIONS
..................................................................................... 63
7.3 直流 s
PECIFICATIONS
....................................................................................................................... 64
7.3.1 核心 直流 规格......................................................................................................... 64
7.3.2 usb 端口 直流 规格 .................................................................................................64
7.3.3 local 总线 (+3.3v) 直流 规格................................................................................... 65
7.3.4 local 总线 (+5.0v) 直流 规格................................................................................... 65
7.4 交流 s
PECIFICATIONS
....................................................................................................................... 66
7.4.1 usb 端口 交流 规格.................................................................................................. 66
7.4.2 usb 端口 交流/直流 规格 注释................................................................................... 67
7.4.3 usb 端口 交流 波形 ......................................................................................................67
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