Samsung KS57C2308 manual Clmod Clock Output Mode Register, FD0H

KS57C2308/P2308/C2316/P2316MEMORY MAP

CLMOD — Clock Output Mode Register FD0H

Bit

Identifier

RESET Value

Read/Write

Bit Addressing

.3

3	2	1	0
.3	"0"	.1	.0
0	0	0	0
W	W	W	W
4	4	4	4

Enable/Disable Clock Output Control Bit

0Disable clock output

1Enable clock output

.2	Bit 2
	0	Always logic zero
.1–.0	Clock Source and Frequency Selection Control Bits
	0	0	Select CPU clock source fx/4, fx/8, fx/64, or fxt/4 (1.05 MHz, 524 kHz,
			65.5 kHz, or 8.19 kHz)
	0	1	Select system clock fxx/8 (524 kHz)
	1	0	Select system clock fxx/16 (262 kHz)
	1	1	Select system clock fxx/64 (65.5 kHz)

NOTE: “fxx” is the system clock, given a clock frequency of 4.19 MHz.

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