參數(shù)資料
型號: RS5C313
廠商: RICOH COMPANY LTD
元件分類: XO, clock
英文描述: PrimeSTACK up to 1700V Half Bridge
中文描述: 0 TIMER(S), REAL TIME CLOCK, PDSO8
封裝: 0.65 MM PITCH, SSOP-8
文件頁數(shù): 6/32頁
文件大小: 267K
代理商: RS5C313
RS5C313
3
PIN DESCRIPTIONS
Pin No.
Symbol
1
CE
Name
Description
Chip enable input
The CE pin is used to interface with the CPU and is accessible when held at the high
level. This pin incorporates a pull-down resistor. It should be switched to the low lev-
el or opened when not accessed or when powering off the system. Holding the CE
pin at the high level for more than 2.5 seconds forces 1Hz interrupt pulses to be out-
put from the INTR pin for oscillation frequency measurement .
(No pulse is output for less than 1.5 seconds.)
The SCLK pin is used to input shift clock pulses to synchronize data input to, and
output from, the SIO pin.
The SIO pin inputs and outputs written or read data in synchronization with and out-
put shift clock pulses from the SCLK pin. The SIO pin causes high impedance when
the CE pin is held at the low level. After the CE pin is switched to the high level and
the control bits and the address bits are input from the SIO, the SIO pin performs
serial input and output operations
The INTR pin outputs cyclic interrupt pulses to the CPU. This pin functions as an
Nch open drain output even when the CE pin is held at the low level.
These pins configure an oscillation circuit by connecting a 32.768 kHz crystal
oscillator between the OSCIN and OSCOUT pins and by connecting a capacitor
between the OSCIN and V
SS
pins.
(Any other oscillation circuit components are built into the RS5C313.)
2
SCLK
Shift clock input
3
SIO
Serial input
and output
5
INTR
Interrupt output
7
6
OSCIN
OSCOUT
Oscillation circuit
input and output
8
V
DD
Positive power
supply input
Negative power
supply input
The VDD pin is connected to a power supply and the V
SS
pin is connected to the
ground.
4
V
SS
相關PDF資料
PDF描述
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相關代理商/技術參數(shù)
參數(shù)描述
RS5C314 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:ULTRA-COMPACT REAL-TIME CLOCK IC
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