s3c72m9 Samsung Semiconductor, Inc., s3c72m9 Datasheet - Page 234

• Manufacturer Part Number: s3c72m9
• Description: The S3c72m5/s3c72m7/s3c72m9 Single-chip Cmos Microcontroller Has Been Designed For High Performance Using Samsung S
• Manufacturer: Samsung Semiconductor, Inc.

POWER-DOWN
RECOMMENDED CONNECTIONS FOR UNUSED PINS
To reduce overall power consumption, please configure unused pins according to the guidelines described in Table 8-
2.
8-6
NOTES:
1.
2.
3.
4.
P0.0/SCK/K0
P0.1/SO/K1
P0.2/SI/K2
P0.3/BUZ/K3
P1.0/INT0–P1.2/INT2
P1.3/INT4
P2.0/M
P2.1/LCDFR
P2.2/CLO1
P2.3/CLO2
P3.0/TCLO0/CL
P3.1/TCLO1
P3.2/TCL0
P3.3/TCL1
P4.0/CIN0–P4.2/CIN2
P6.0/SEG79/K4–P6.3/SEG76/K7
P7.0/SEG75–P7.3/SEG72
P8.0/SEG71–P8.3/SEG68
P9.0/SEG67–P9.3/SEG64
P10.0/SEG63–P10.3/SEG60
P11.0/SEG59–P11.3/SEG56
P12.0/SEG55–P12.3/SEG52
P13.0/SEG51–P13.3/SEG48
SEG0–SEG47
COM0–COM7
COM8/SEG87–COM15/SEG80
V
XT
XT
TEST
LC1
in
out
Digital mode at P4.0–P4.2.
Used as normal I/O port.
Used as segment.
You can stop the sub-oscillator by setting the SCMOD.2 to one.
(4)
–V
LC5
Pin/Share Pin Names
Table 8-2. Unused Pin Connections for Reduced Power Consumption
Input mode: Connect to V
Output mode: No connection
Connect to V
Connect to V
Input mode: Connect to V
Output mode: No connection
Input mode: Connect to V
Output mode: No connection
No connection
No connection
No connection
Connect XT
No connection
Connect to V
IN
Recommended Connection
DD
DD
SS
S3C72M5/C72M7/C72M9/P72M9 (Preliminary Spec)
to V
(3)
SS
or V
DD
DD
DD
DD
(1)
(2)
(1)
(2)