參數(shù)資料
型號: MR83C154XXX-25/883D
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 25 MHz, MICROCONTROLLER, CQCC44
封裝: LCC-44
文件頁數(shù): 73/141頁
文件大?。?/td> 7628K
代理商: MR83C154XXX-25/883D
265
7707F–AVR–11/10
AT90USB82/162
26.5
Maximum speed vs. V
CC
Maximum frequency is depending on V
CC. As shown in Figure 26-2, the Maximum Frequency vs.
V
CC curve is linear between 2.7V < VCC < 4.5V.
Figure 26-2. Maximum Frequency vs. V
CC, AT90USB82/162
26.6
SPI Timing Characteristics
See Figure 26-3 and Figure 26-3 for details.
16 MHz
8 MHz
2.7V
4.5V
5.5V
Safe Operating Area
Table 26-2.
SPI Timing Parameters
Description
Mode
Min
Typ
Max
1
SCK period
Master
ns
2
SCK high/low
Master
50% duty cycle
3
Rise/Fall time
Master
TBD
4
Setup
Master
10
5Hold
Master
10
6
Out to SCK
Master
0.5 tsck
7
SCK to out
Master
10
8
SCK to out high
Master
10
9SS low to out
Slave
15
10
SCK period
Slave
4 tck
11
SCK high/low(1)
Slave
2 tck
12
Rise/Fall time
Slave
TBD
13
Setup
Slave
10
14
Hold
Slave
tck
15
SCK to out
Slave
15
16
SCK to SS high
Slave
20
17
SS high to tri-state
Slave
10
18
SS low to SCK
Slave
20
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