ST7LITE49K2 STMicroelectronics, ST7LITE49K2 Datasheet - Page 190
ST7LITE49K2
Manufacturer Part Number
ST7LITE49K2
Description
8-bit MCU
Manufacturer
STMicroelectronics
Datasheet
1.ST7LITE49K2.pdf
(245 pages)
Specifications of ST7LITE49K2
8 Kbytes Single Voltage Extended Flash (xflash) Program Memory With Read-out Protection In-circuit Programming And In-application Programming (icp And Iap) Endurance
10K write/erase cycles guaranteed Data retention
256 Bytes Data Eeprom With Read-out Protection. 300k Write/erase Cycles Guaranteed, Data Retention
20 years at 55 °C.
Clock Sources
Internal trimmable 8 MHz RC oscillator, auto-wakeup internal low power - low frequency oscillator, crystal/ceramic resonator or external clock
Five Power Saving Modes
Halt, Active-halt, Auto-wakeup from Halt, Wait and Slow
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Instruction set
Table 68.
190/245
Mnemo
JRUGE
JRUGT
JRULE
JRULT
SWAP
PUSH
JREQ
JRNE
JRNC
TRAP
JRPL
NEG
NOP
RRC
MUL
POP
RCF
RSP
SBC
SRA
SUB
JRC
RET
RLC
SCF
SRL
TNZ
RIM
SLA
SIM
SLL
OR
LD
Jump if Z = 0 (not equal)
Jump if Z = 1 (equal)
Shift right Arithmetic
Push onto the Stack
Reset Stack Pointer
Illegal opcode detection (continued)
Jump if N = 0 (plus)
Test for Neg & Zero
Subtract with Carry
Negate (2's compl)
Pop from the Stack
Jump if (C + Z = 0)
Jump if (C + Z = 1)
Shift left Arithmetic
Subroutine Return
Rotate right true C
Disable Interrupts
Enable Interrupts
Rotate left true C
Reset carry flag
Shift right Logic
Shift left Logic
SWAP nibbles
No Operation
OR operation
Set carry flag
Jump if C = 1
Jump if C = 0
Jump if C = 1
Jump if C = 0
Description
Subtraction
S/W trap
Multiply
Load
Dst[7..4]<=>Dst[3..0]
Function/Example
Jmp if unsigned >=
Dst7 => Dst => C
S = Max allowed
C <= Dst <= C
C => Dst => C
C <= Dst <= 0
C <= Dst <= 0
0 => Dst => C
A = A - M - C
S/W interrupt
Unsigned <=
Unsigned <
Unsigned >
X,A = X * A
dst <= src
A = A + M
A = A - M
neg $10
pop reg
pop CC
tnz lbl1
N = 0 ?
C = 1 ?
C = 0 ?
Z = 1 ?
Z = 0 ?
push Y
C = 0
C = 1
I = 0
I = 1
A, X, Y
reg, M
reg, M
reg, M
reg, M
reg, M
reg, M
reg, M
reg, M
reg, M
Dst
reg
CC
M
A
A
A
reg, CC
X, Y, A
M, reg
Src
M
M
M
M
M
H
H
0
0
1
1
I
I
N
N
N
N
N
N
N
N
N
N
N
N
N
N
0
ST7LITE49K2
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
C
C
C
C
C
C
C
C
C
C
C
0
0
1
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