CDP1805 Intersil Corporation, CDP1805 Datasheet - Page 21

• Manufacturer Part Number: CDP1805
• Description: CMOS 8-Bit Microprocessor with On-Chip RAM and Counter/Timer
• Manufacturer: Intersil Corporation

SET Q
RESET Q
PUSH X, P TO STACK
TIMER/COUNTER INSTRUCTIONS
LOAD COUNTER
GET COUNTER
STOP COUNTER
DECREMENT TIMER/COUNTER
SET TIMER MODE AND START
SET COUNTER MODE 1 AND
START
SET COUNTER MODE 2 AND
START
SET PULSE WIDTH MODE 1 AND
START
SET PULSE WIDTH MODE 2 AND
START
ENABLE TOGGLE Q
INTERRUPT CONTROL
EXTERNAL INTERRUPT ENABLE
EXTERNAL INTERRUPT DISABLE
COUNTER INTERRUPT ENABLE
COUNTER INTERRUPT DISABLE
RETURN
DISABLE
SAVE
SAVE T, D, DF
INPUT-OUTPUT BYTE TRANSFER
OUTPUT 1
OUTPUT 2
OUTPUT 3
OUTPUT 4
OUTPUT 5
INSTRUCTION
TABLE 1. INSTRUCTION SUMMARY (SEE NOTES) (Continued)
MACHINE
CYCLES
NO. OF
2
2
2
3
3
3
3
3
3
3
3
3
3
3
3
3
3
2
2
2
6
2
2
2
2
2
CDP1805AC, CDP1806AC
MNEMONIC
MARK
OUT 1
OUT 2
OUT 3
OUT 4
OUT 5
STPC
SCM1
SCM2
SPM1
SPM2
DSAV
SEQ
REQ
GEC
STM
ETQ
LDC
DTC
RET
SAV
XIE
XID
CIE
CID
DIS
21
OP CODE
(Note 15)
(Note 15)
(Note 10)
680C
680D
680A
680B
6806
6808
6800
6801
6807
6805
6803
6804
6802
6809
6876
7B
7A
79
70
71
78
61
62
63
64
65
1
0
(X, P)
THEN P
CNTR STOPPED: D
0
CNTR
STOP CNTR CLOCK;
0
CNTR - 1
TPA
EF1
EF2
TPA.EF1
EF1
TPA.EF2
EF2
IF CNTR = 01 NEXT CNTR CLOCK
1
0
l
0
M(R(X))
M(R(X)
T
R(X) - 1
R(X) - 1
R(X) - 1
RIGHT WITH CARRY, D
M(R(X))
N LINES = 1
M(R(X))
N LINES = 2
M(R(X))
N LINES = 3
M(R(X))
N LINES = 4
M(R(X))
N LINES = 5
CIE
Q
Q
CI. CNTR RUNNING; D
XIE
XIE
CIE
M(R(X))
32 PRESCALER
32
CNTR CLOCK
CNTR CLOCK
T; (X, P)
D
STOPS COUNT
STOPS COUNT
X, P; R(X) + 1
R(X), T
R(X), D
R(X), SHIFT D
X, P; R(X) + 1
BUS; R(X) + 1
BUS; R(X) + 1
BUS; R(X) + 1
BUS; R(X) + 1
BUS; R(X) + 1
X; R(2)
CNTR CLOCK;
CNTR CLOCK;
CNTR
CNTR
OPERATION
M(R(2)),
M(R(X)),
1
M (R(X)),
CH, CNTR;
R(2)
R(X); 0
M(R(X))
R(X); 1
R(X)
R(X)
R(X)
R(X)
R(X)
CH
MIE
MIE
; Q
Q