參數(shù)資料
型號: R2033K-E2
廠商: RICOH COMPANY LTD
元件分類: XO, clock
英文描述: 3 wire interface Real-Time Clock ICs
中文描述: 0 TIMER(S), REAL TIME CLOCK, QCC12
封裝: 2 X 2 MM, 1 MM HEIGHT, FFP-12
文件頁數(shù): 43/50頁
文件大?。?/td> 542K
代理商: R2033K-E2
R2033K/T
Connection of
INTR
Pin
43
The INTR pin follows the N-channel open drain output logic and contains no protective diode on the power
supply side. As such, it can be connected to a pull-up resistor of up to 5.5v regardless of supply voltage.
System power supply
VDD
OSCIN
OSCOUT
INTR
*1)
32768Hz
B
A
Backup power supply
VSS
Connection of 32KOUT Pin
As the 32KOUT pin is CMOS output, the supply voltage of the R2033K/T and any devices to be connected
should be the same. When the device is powered down, the 32KOUT output pin should be disabled.
When the CLKC pin is connected to the system power supply through the pull-up resistor, the pull-up resistor
should be 0
to 10k
, and the 32KOUT pin should be connect to the host device through the resistor (approx.
10k
)
VDD
CLKC
VSS
Back-up Power Supply
CPU Power Supply
32KOUT
R3111
XXXXC
VDD
CPU
VSS
Back-up Power supply
CPU Power Supply
Approx.10K
32KOUT
0 to 10K
CLKC
*1) Depending on whether the INTR pin is
used during battery backup, it should be
connected to a pull-up resistor at the following
different positions:
(1) Position A in the left diagram when it is not to
be used during battery backup.
(2) Position B in the left diagram when it is to be
used during battery backup.
相關PDF資料
PDF描述
R2033T 3 wire interface Real-Time Clock ICs
R2043T 4-wire Serial Interface
R2043T-E2 4-wire Serial Interface
R2043K 4-wire Serial Interface
R2043K-E2 4-wire Serial Interface
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