參數(shù)資料
型號: PCA9698DGG/S911,51
廠商: NXP Semiconductors
文件頁數(shù): 24/48頁
文件大小: 0K
描述: IC I/O EXPANDER I2C 40B 56TSSOP
標準包裝: 2,000
接口: I²C
輸入/輸出數(shù): 40
中斷輸出:
頻率 - 時鐘: 1MHz
電源電壓: 2.3 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 56-TFSOP(0.240",6.10mm 寬)
供應商設備封裝: 56-TSSOP
包裝: 帶卷 (TR)
包括: POR
其它名稱: 935285491518
PCA9698DGG/S911-T
PCA9698DGG/S911-T-ND
30
7810C–AVR–10/12
Atmel ATmega328P [Preliminary]
Figure 8-3.
Crystal Oscillator Connections
Notes:
1. These options should only be used when not operating close to the maximum frequency of the
device, and only if frequency stability at start-up is not important for the application. These
options are not suitable for crystals.
2. These options are intended for use with ceramic resonators and will ensure frequency stability
at start-up. They can also be used with crystals when not operating close to the maximum fre-
quency of the device, and if frequency stability at start-up is not important for the application.
Table 8-6.
Start-up Times for the Full Swing Crystal Oscillator Clock Selection
Oscillator Source /
Power Conditions
Start-up Time from
Power-down and
Power-save
Additional Delay
from Reset
(VCC = 5.0V)
CKSEL0
SUT1..0
Ceramic resonator, fast
rising power
258 CK
14CK + 4.1 ms(1)
000
Ceramic resonator, slowly
rising power
258 CK
14CK + 65 ms(1)
001
Ceramic resonator, BOD
enabled
1K CK
14CK(2)
010
Ceramic resonator, fast
rising power
1K CK
14CK + 4.1 ms(2)
011
Ceramic resonator, slowly
rising power
1K CK
14CK + 65 ms(2)
100
Crystal Oscillator, BOD
enabled
16K CK
14CK
1
01
Crystal Oscillator, fast
rising power
16K CK
14CK + 4.1 ms
1
10
Crystal Oscillator, slowly
rising power
16K CK
14CK + 65 ms
1
11
XTAL2 (TOSC2)
XTAL1 (TOSC1)
GND
C2
C1
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