S3C72N4 Samsung semiconductor, S3C72N4 Datasheet - Page 17

• Manufacturer Part Number: S3C72N4
• Description: The S3C72N2/C72N4 single-chip CMOS microcontroller has been designed for high performance using Samsungs newest 4-bit CPU core/ SAM47 (Samsung Arrange
• Manufacturer: Samsung semiconductor

S3C72N2/C72N4/P72N4
(T
NOTES:
1.
2.
Data retention supply voltage
Data retention supply current
Release signal set time
Oscillator stabilization wait
time
A
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.
= – 40 C to + 85 C)
(1)
Parameter
Table 13-7. RAM Data Retention Supply Voltage in Stop Mode
1.0475 MHz
CPU CLOCK
15.6 kHz
1.5 MHz
750 kHz
500 kHz
250 kHz
Figure 13-1. Standard Operating Voltage Range
Symbol
V
I
t
t
DDDR
SREL
WAIT
DDDR
CPU CLOCK = 1/n x oscillator frequency (n = 4, 8, 64)
Normal operation
V
Normal operation
Released by
Released by interrupt
1
DDDR
Conditions
= 2.0 V
2
SUPPLY VOLTAGE (V)
RESET
3
4
Min
1.5
5
–
0
–
–
6
2
17
Typ
0.1
(2)
–
–
Main OSC. Freq.
/ fx
7
6 MHz
4.19 MHz
3 MHz
ELECTRICAL DATA
Max
6.5
1
–
–
–
Unit
ms
V
A
s
13-9