ST72651AR6 STMicroelectronics, ST72651AR6 Datasheet - Page 122

• 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

ST72651AR6
INSTRUCTION SET OVERVIEW (Cont’d)
122/161
Mnemo
ADC
ADD
AND
BCP
BRES
BSET
BTJF
BTJT
CALL
CALLR
CLR
CP
CPL
DEC
HALT
IRET
INC
JP
JRA
JRT
JRF
JRIH
JRIL
JRH
JRNH
JRM
JRNM
JRMI
JRPL
JREQ
JRNE
JRC
JRNC
JRULT
JRUGE
JRUGT
Add with Carry
Addition
Logical And
Bit compare A, Memory
Bit Reset
Bit Set
Jump if bit is false (0)
Jump if bit is true (1)
Call subroutine
Call subroutine relative
Clear
Arithmetic Compare
One Complement
Decrement
Halt
Interrupt routine return
Increment
Absolute Jump
Jump relative always
Jump relative
Never jump
Jump if ext. INT pin = 1
Jump if ext. INT pin = 0
Jump if H = 1
Jump if H = 0
Jump if I1:0 = 11
Jump if I1:0 <> 11
Jump if N = 1 (minus)
Jump if N = 0 (plus)
Jump if Z = 1 (equal)
Jump if Z = 0 (not equal)
Jump if C = 1
Jump if C = 0
Jump if C = 1
Jump if C = 0
Jump if (C + Z = 0)
Description
tst (A . M)
Z = 0 ?
A = A + M + C
A = A + M
A = A . M
bres Byte, #3
bset Byte, #3
btjf Byte, #3, Jmp1
btjt Byte, #3, Jmp1
tst(Reg - M)
A = FFH-A
dec Y
Pop CC, A, X, PC
inc X
jp [TBL.w]
jrf *
(ext. INT pin high)
(ext. INT pin low)
H = 1 ?
H = 0 ?
I1:0 = 11 ?
I1:0 <> 11 ?
N = 1 ?
N = 0 ?
Z = 1 ?
C = 1 ?
C = 0 ?
Unsigned <
Jmp if unsigned >=
Unsigned >
Function/Example
Doc ID 7215 Rev 4
A
A
A
A
M
M
M
M
reg, M
reg
reg, M
reg, M
reg, M
Dst
M
M
M
M
M
Src
I1
I1
1
H
H
H
H
I0
I0
0
N
N
N
N
N
N
N
N
N
N
0
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
1
C
C
C
C
C
C
C
1