ST72C334J2B6 STMicroelectronics, ST72C334J2B6 Datasheet - Page 106

• Manufacturer Part Number: ST72C334J2B6
• Description: 8-bit Microcontrollers - MCU Flash 8K SPI/SCI
• Manufacturer: STMicroelectronics

Specifications of ST72C334J2B6

• Product Category: 8-bit Microcontrollers - MCU
• Core: ST7
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 8 MHz
• Program Memory Size: 8 KB
• Data Ram Size: 384 B
• On-chip Adc: Yes
• Operating Supply Voltage: 3.2 V to 5.5 V
• Package / Case: SDIP-42
• Mounting Style: Through Hole
• A/d Bit Size: 8 bit
• A/d Channels Available: 8
• Data Rom Size: 256 B
• Interface Type: SCI, SPI
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 32
• Number Of Timers: 4 bit
• Program Memory Type: Flash
• Factory Pack Quantity: 13
• Supply Voltage - Max: 5 V
• Supply Voltage - Min: 3.2 V

ST72334J/N, ST72314J/N, ST72124J
INSTRUCTION GROUPS (Cont’d)
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JRULE
LD
MUL
NEG
NOP
OR
POP
PUSH
RCF
RET
RIM
RLC
RRC
RSP
SBC
SCF
SIM
SLA
SLL
SRL
SRA
SUB
SWAP
TNZ
TRAP
WFI
XOR
Mnemo
Jump if (C + Z = 1)
Load
Multiply
Negate (2's compl)
No Operation
OR operation
Pop from the Stack
Push onto the Stack
Reset carry flag
Subroutine Return
Enable Interrupts
Rotate left true C
Rotate right true C
Reset Stack Pointer
Subtract with Carry
Set carry flag
Disable Interrupts
Shift left Arithmetic
Shift left Logic
Shift right Logic
Shift right Arithmetic
Subtraction
SWAP nibbles
Test for Neg & Zero
S/W trap
Wait for Interrupt
Exclusive OR
Description
Unsigned <=
dst <= src
X,A = X * A
neg $10
A = A + M
pop reg
pop CC
push Y
C = 0
I = 0
C <= Dst <= C
C => Dst => C
S = Max allowed
A = A - M - C
C = 1
I = 1
C <= Dst <= 0
C <= Dst <= 0
0 => Dst => C
Dst7 => Dst => C
A = A - M
Dst[7..4] <=> Dst[3..0] reg, M
tnz lbl1
S/W interrupt
A = A XOR M
Function/Example
reg, M
A, X, Y
reg, M
A
reg
CC
M
reg, M
reg, M
A
reg, M
reg, M
reg, M
reg, M
A
A
Dst
M, reg
X, Y, A
M
M
M
reg, CC
M
M
M
Src
H
H
0
0
1
1
0
I
I
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
0
Z
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