參數(shù)資料
型號(hào)： SAE81C91
廠商： INFINEON TECHNOLOGIES AG
元件分類(lèi)： 微控制器/微處理器
英文描述： 2 CHANNEL(S), 1M bps, LOCAL AREA NETWORK CONTROLLER, PQCC28
封裝： PLASTIC, LCC-28
文件頁(yè)數(shù)： 38/41頁(yè)
文件大?。?/td> 521K
代理商： SAE81C91
07Feb95@09:05h Intermediate Version
Semiconductor Group
5
SAE 81C90/91
1) For best results keep the crystal circuitry connections as short as possible and keep the CLKOUT
line away from it.
2) If the bus lines work according to the ISO specification, additional circuitry is necessary for
interconnection of the input comparator to the bus lines.
The digital mode is enabled by setting bit DI in register BL2. When using the digital mode pin RX1
should be on VSS.
3) It is recommended to decouple these supply pins close to the device using a 10 pF capacitor in
addition to the standard 100 nF capacitor.
V
SSA
21
6
I
Analog power ground for comparator
(must always be connected)
V
DD1
13
2
I
Digital power supply 3)
V
DD2
32
13
I
Digital power supply
V
SS1
12
1
I
Digital power ground 3)
V
SS2
33
14
I
Digital power ground
Pin Definitions and Functions (cont’d)
Symbol
Pin Number
Input (I)
Output (O)
Function
PLCC-48 PLCC-28
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