S3C9228/P9228 CONTROL REGISTERS
4-35
SYM — System Mode Register DFH
Bit Identifier .7 .6 .5 .4 .3 .2 .1 .0
RESETRESET Value ––––0000
Read/Write ––––R/W R/W R/W R/W
.7-.4 Not used for S3C9228/P9228
.3 Global Interrupt Enable Bit
0Global interrupt processing disable (DI instruction)
1Global interrupt processing enable (EI instruction)
.2-.0 Page Selection Bits
000Page 0
001Page 1
Other values Not available