參數(shù)資料
型號(hào)： CDP68HC68T1W
廠商： INTERSIL CORP
元件分類： XO, clock
英文描述： CMOS Serial Real-Time Clock With RAM and Power Sense/Control
中文描述： 1 TIMER(S), REAL TIME CLOCK, UUC
封裝： DIE
文件頁(yè)數(shù)： 20/24頁(yè)
文件大小： 139K
代理商： CDP68HC68T1W
20
Example of an automotive system. The V
SYS
and LINE inputs can be used to sense the ignition turning on and off. An external
switch is included to activate the system without turning on the ignition. Also, the CMOS CPU is not powered down with the system
V
DD
, but is held in a low power reset mode during power down. When restoring power the CDP68HC68T1 will enable the CLK
OUT pin and set the PSE and CPUR high.
Important Application Note: Those units with a code of 6PG have delayed alarm interrupts of 8.3ms regardless of
CDP68HC68T1’s operating frequency. (See Pin Functions, INT.) In addition, reading the Status Register before delayed alarm acti-
vates will disable alarm signal.
FIGURE 19. AUTOMOTIVE SYSTEM DIAGRAM
System Diagrams
(Continued)
XTAL
2MHz
LINE
V
BATT
POR
V
DD
V
SYS
PSE
CPUR
CLK OUT
SPI
CE
INT
T1
V
SS
V
DD
RESET
OSC1
IRQ
SPI
PORT
CDP68HC05C4B
V
SS
PORT
5V
REG
+
-
12V
IGNITION
3
CLOCK BUTTON
ENABLED POWER
CDP68HC68T1
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CDP68HC68T1W WAF 制造商:Harris Corporation 功能描述:
CDP68HC68T2D 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Real-Time Clock
CDP68HC68T2E 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Real-Time Clock
CDP68HC68T2M 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Real-Time Clock
CDP68HC68T3E 制造商:Harris Corporation 功能描述:
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