KS57C2308/P2308/C2316/P2316 MEMORY MAP
4-7
CLMOD — Clock Output Mode Register FD0H
Bit 3210
Identifier .3 "0" .1 .0
RESET Value 0000
Read/Write WWWW
Bit Addressing 4444
.3 Enable/Disable Clock Output Control Bit
0Disable clock output
1Enable clock output
.2 Bit 2
0Always 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.