s3c72m9 Samsung Semiconductor, Inc., s3c72m9 Datasheet - Page 81

• 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.

S3C72M5/C72M7/C72M9/P72M9 (Preliminary Spec)
PCON
Bit
Identifier
RESET Value
Read/Write
Bit Addressing
PCON.3–.2
PCON.1–.0
NOTE:
'fx' is the main system clock; 'fxt' is the subsystem clock.
— Power Control Register
CPU Operating Mode Control Bits
CPU Clock Frequency Selection Bits
0
0
1
0
1
1
W
.3
3
0
4
0
1
0
0
0
1
Enable normal CPU operating mode
Initiate idle power-down mode
Initiate stop power-down mode
If SCMOD.0 = "0", fx/64; if SCMOD.0 = "1", fxt/4
If SCMOD.0 = "0", fx/8; if SCMOD.0 = "1", fxt/4
If SCMOD.0 = "0", fx/4; if SCMOD.0 = "1", fxt/4
W
.2
2
0
4
W
.1
1
0
4
W
.0
0
0
4
CPU
MEMORY MAP
FB3H
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