Samsung KS57C2308 Manual page 62

MEMORY MAP
PCON
— Power Control Register
Bit
Identifier
Value
RESET
Read/Write
Bit Addressing
.3–.2
.1–.0
NOTE: "fx" is the main system clock; "fxt" is the subsystem clock.
4-20
3 2
.3 .2
0 0
W W
4 4
CPU Operating Mode Control Bits
0 0 Enable normal CPU operating mode
0 1 Initiate idle power-down mode
1 0 Initiate stop power-down mode
CPU Clock Frequency Selection Bits
0 0 If SCMOD.0 = "0", fx/64; if SCMOD.0 = "1", fxt/4
1 0 If SCMOD.0 = "0", fx/8; if SCMOD.0 = "1", fxt/4
1 1 If SCMOD.0 = "0", fx/4; if SCMOD.0 = "1", fxt/4
1 0
.1 .0
0 0
W W
4 4
KS57C2308/P2308/C2316/P2316
FB3H