參數(shù)資料
型號: Z86U18
廠商: ZiLOG, Inc.
英文描述: USB Device Controller(鍵盤及其它外設(shè)的理想的USB微控制器)
中文描述: USB設(shè)備控制器(鍵盤及其它外設(shè)的理想的的USB微控制器)
文件頁數(shù): 3/31頁
文件大小: 311K
代理商: Z86U18
Z86E18/U18
Zilog
1.5 MBPS USB Device Controller for Keyboards and HID-Class Peripherals
DS97KEY2301
P R E L I M I N A R Y
3
1
USB GENERAL DESCRIPTION
The USB portion of the chip is divided into two areas, the
transceiver and the Serial Interface Engine (SIE). The
transceiver handles incoming differential signals and “sin-
gle ended zero” (SE0). It also converts output data in digi-
tal form to differential drive at the proper levels.
The output drivers have a slew-rate control to maintain the
75–300 ns matched transition times required by the USB
specification.
The USB transceiver contains a voltage regulator to pro-
vide the output level for the data levels out of the chip.
The USB SIE handles main endpoints. All communications
are at the 1.5 Mb/sec HID Class data rate.
PIN IDENTIFICATION
Figure 2. 40-Pin DIP Pin Configuration
P36
P17
P16
P15
P14
P13
P12
P11
P10
P35
GND
P00
P01
P02
P03
P04
P05
P06
P07
P34
P23
P22
P21
P20
P37
P24
Test
XTALI (IN)
GND
XTAL0 (OUT)
P25
P26
V
CC
V
USB
D+
D–
P30
P31
P32
P33
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
Z86E18/U18
DIP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
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