ST72651AR6 STMicroelectronics, ST72651AR6 Datasheet - Page 123

• Manufacturer Part Number: ST72651AR6
• Description: LOW-POWER, FULL-SPEED USB 8-BIT MCU WITH 32K FLASH, 5K RAM, FLASH CARD I/F, TIMER, PWM, ADC, I2C, SPI
• Manufacturer: STMicroelectronics

Specifications of ST72651AR6

• Dual Supply Management: analog voltage detector on the USB power line to enable smart power switching from USB power to battery (on E suffix devices).
• Programmable Internal Voltage Regulator For Memory Cards (2.8v To 3.5v) Supplying: Flash Card I/O lines (voltage shifting)
• 5 Usb Endpoints: 1 control endpoint
• Dtc (data Transfer Coprocessor): Universal Serial/Parallel communications interface, with software plug-ins for current and future protocol standards

INSTRUCTION SET OVERVIEW (Cont’d)
Mnemo
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
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
Substract with Carry
Set carry flag
Disable Interrupts
Shift left Arithmetic
Shift left Logic
Shift right Logic
Shift right Arithmetic
Substraction
SWAP nibbles
Test for Neg & Zero
S/W trap
Wait for Interrupt
Exclusive OR
Description
A = A XOR M
Unsigned <=
dst <= src
X,A = X * A
neg $10
A = A + M
pop reg
pop CC
push Y
C = 0
I1:0 = 10 (level 0)
C <= A <= C
C => A => C
S = Max allowed
A = A - M - C
C = 1
I1:0 = 11 (level 3)
C <= A <= 0
C <= A <= 0
0 => A => C
A7 => A => C
A = A - M
A7-A4 <=> A3-A0
tnz lbl1
S/W interrupt
Function/Example
Doc ID 7215 Rev 4
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
reg, M
A
Dst
M, reg
X, Y, A
M
M
M
reg, CC
M
M
M
Src
I1
I1
1
1
1
1
H
H
0
I0
I0
0
1
1
0
ST72651AR6
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
123/161
C
C
C
C
C
C
C
C
C
C
C
0
0
1