MAX1464 Datasheet, PDF (43/47 Pages) Maxim Integrated Products – Low-Power, Low-Noise Multichannel Sensor Signal Processor

Low-Power, Low-Noise Multichannel
Sensor Signal Processor
Table 40. Interface Mode Register (IMR)
Decoding
IRSD
DESCRIPTION
0000
Place the MAX1464 into a 4-wire serial interface
(DI cannot be connected to DO).
0001
Place the MAX1464 into a 3-wire serial interface
(DI can be externally connected to DO).
0010–1111 Unused.
Table 41. Instruction Set
OP CODE (hex) MNEMONIC
OPERATION
0X
LDX
Load register X from program memory.
1X
CLX
Clear X-reg.
2X
ANX
A-reg = A-reg AND X-reg.
3X
ORX
A-reg = A-reg OR X-reg.
4X
ADX
A-reg = A-reg ADD X-reg.
5X
STX
X-reg = A-reg.
6X
SLX
Shift left X-reg.
7X
SRX
Shift right X-reg propagating sign bit.
8X
INX
X-reg = X-reg + 1.
9X
DEX
X-reg = X-reg - 1.
AX
NGX
X-reg = NOT X-reg.
BX
BPX
Branch positive I-reg by amount in X-reg.
CX
BNX
Branch not zero I-reg by amount in X-reg.
DX
RDX
A-reg = CPU port-X.
EX
WRX
CPU port-X = A-reg.
F3
MLT
A-reg | M-reg = M-reg multiplied by
N-reg; register op code must be 3h.
TWO’S
COMP
Y
Y
N
N
Y
Y
N
Y
Y
Y
N
Y
Y
Y
Y
Y
NO. OF
REGISTERS
INVOLVED
1
1
2
2
2
2
1 or 2
1
1
1
1
2
2
1
1
NO. OF
CYCLES
3
1
1
1
1
1
1
1
1
1
1
1
1
1
1
NO. OF
BYTES
3
1
1
1
1
1
1
1
1
1
1
1
1
1
1
3
16
1
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