Hitachi H8/500 Series - Page 216

Example e: ø/8 clock source, 24-state write interval (n = 3), external memory
LE: LDC.B #H'FF,BR
LDC.W #H'0700,SR
CLR.B @H'F8"8
MOV.W #m,R1
MOV.W #m+3,R2
MOV.W #m+6,R3
MOV:S.W R1,@H'92:8 ; 13 States
BRN LE:8 ; 2 Bytes, 7 states Total 24 states
NOP ; 1 Byte, 4 states
MOV:S.W R2,@H'A2:8
BRN LE:8
NOP
MOV:S.W R3,@H'B2:8
Example f: ø/32 clock source, 32-state write interval (n = 1), external memory
LF: LDC.B #H'FF,BR
LDC.W #H'0700,SR
CLR.B @H'F8:8
MOV.W #m,R1
MOV.W #m+1,R2
MOV.W #m+2,R3
MOV:S.W R1,@H'92:8 ; External memory, so 13 states
XCH R0,R0 ; 8 states
BRN LF:8 ; 2 Bytes, 7 states
NOP ; 4 states
MOV:S.W R2,@H'A2:8
XCH R0,R0
BRN LF:8
NOP
MOV:S.W R3,@H'B2:8
Total 32 states
199
Downloaded from Elcodis.com electronic components distributor