參數(shù)資料
型號(hào): KS57C21832
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: 4-BIT CMOS Microcontroller(4位微控制器)
中文描述: 4位CMOS微控制器(4位微控制器)
文件頁數(shù): 24/31頁
文件大?。?/td> 243K
代理商: KS57C21832
PRELIMINARY DATASHEET
PAGE
24/30
Device Name
KS57C21832/KS57P21832
REV. NO.
0
SAMSUNG ELECTRONICS CO.,LTD.
DOC.NO.:RK8011-05-03
Table 11. RAM Data Retention Supply Voltage in Stop Mode
(T
A
= - 40
°
C to + 85
°
C)
Parameter
Symbol
V
DDDR
I
DDDR
Conditions
-
Min
1.8
Typ
-
Max
5.5
Unit
V
Data retention supply voltage
Data retention supply current
V
DDDR
= 1.8 V
-
0.1
10
uA
Release signal set time
t
SREL
t
WAIT
-
0
-
-
us
Oscillator stabilization wait
time
(1)
Released by
-
2
17
/ fx
-
ms
Released by interrupt
-
(2)
-
NOTES
:
1.
During oscillator stabilization wait time, all CPU operations must be stopped to avoid instability during oscillator start-
up.
Use the basic timer mode register (BMOD) interval timer to delay execution of CPU instructions during the wait time.
2.
t
SREL
t
WAIT
V
DD
RESET
EXECUTION OF
STOP INSTRUCTION
V
DDDR
DATA RETENTION MODE
STOP MODE
INTERNAL RESET
OPERATION
IDLE MODE
OPERATING
MODE
Figure 14. Stop Mode Release Timing When Initiated By
Figure 15. Stop Mode Release Timing When Initiated By Interrupt Request
V
DD
EXECUTION OF
STOP INSTRUCTION
V
DDDR
DATA RETENTION MODE
STOP MODE
t
WAIT
t
SREL
IDLE MODE
NORMAL
OPERATING
MODE
POWER-DOWN MODE TERMINATING SIGNAL
(INTERRUPT REQUEST)
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