NXP Semiconductors
FXTH87E
FXTH87E, Family of Tire Pressure Monitor Sensors
Effect
Bus
Opcode Operand Cycles
Address
on CCR
Source Form
Operation
Description
[1]
Mode
V H I N Z C
STA opr8a
DIR
B7 dd
C7 hh ll
D7 ee ff
E7 ff
3
4
4
3
2
5
4
STA opr16a
STA oprx16,X
STA oprx8,X
STA ,X
EXT
IX2
Store
Accumulator in
Memory
M ← (A)
0 – – Þ Þ – IX1
IX
F7 ꢁ
STA oprx16,SP
STA oprx8,SP
SP2
SP1
9ED7 ee ff
9EE7 ff
STHX opr8a
DIR
0 – – Þ Þ – EXT
SP1
35 dd
96 hh ll
9EFF ff
4
5
5
Store H:X (Index (M:M + 0x0001) ←
STHX opr16a
STHX oprx8,SP
Reg.)
(H:X)
Enable Interrupts:
Stop Processing
8E
2+
I bit ← 0; Stop
Processing
STOP
– – 0 – – – INH
Refer to MCU
Documentation
STX opr8a
DIR
BF dd
CF hh ll
DF ee ff
EF ff
3
4
4
3
2
5
4
STX opr16a
STX oprx16,X
STX oprx8,X
STX ,X
EXT
Store X (Low
8 Bits of Index
Register)
IX2
M ← (X)
0 – – Þ Þ – IX1
IX
FF ꢁ
in Memory
STX oprx16,SP
STX oprx8,SP
SP2
SP1
9EDF ee ff
9EEF ff
SUB #opr8i
SUB opr8a
IMM
DIR
EXT
A0 ii
B0 dd
2
3
4
4
3
3
5
4
SUB opr16a
SUB oprx16,X
SUB oprx8,X
SUB ,X
C0 hh ll
D0 ee ff
E0 ff
IX2
Þ – – Þ Þ Þ
IX1
Subtract
A ← (A) – (M)
IX
F0 ꢁ
SUB oprx16,SP
SUB oprx8,SP
SP2
SP1
9ED0 ee ff
9EE0 ff
PC ← (PC) +
0x0001
83
11
Push (PCL); SP ←
(SP) – 0x0001
Push (PCH); SP ←
(SP) – 0x0001
Push (X); SP ←
(SP) – 0x0001
SWI
Software Interrupt Push (A); SP ←
(SP) – 0x0001
– – 1 – – – INH
Push (CCR); SP ←
(SP) – 0x0001
I ← 1;
PCH ← Interrupt
Vector High Byte
PCL ← Interrupt
Vector Low Byte
FXTH87ERM
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© NXP B.V. 2019. All rights reserved.
Reference manual
Rev. 5.0 — 4 February 2019
81 / 183
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