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INSTRUCTION SET PIN FUNCTIONS
ADuC832
1
2
3
4
5
6
7
8
9
56 P1.0 / ADC0 / T2
Legend
Arithmetic Operations
1
2
3
P1.1 / ADC1 / T2EX
P1.2 / ADC2
ADD A,source
1,2 12
Rn
register addressing using R0-R7
8bit internal address (00h-FFh)
indirect addressing using R0 or R1
any of [Rn, direct, @Ri]
add source to A
direct
@Ri
ADD A,#data
ADDC A,source
ADDC A,#data
SUBB A,source
SUBB A,#data
2
12
1,2 12
12
1
2
42
41
40
39
38
37
36
35
34
33
32
31
30
pin
1
identifier
pin 1 identifier
1
2
3
4
5
6
7
8
9
39
38
37
36
35
34
33
32
31
30
29
28
27
3
P1.3 / ADC3
4
5
add with carry
ADuC832
56pin CSP
TOP VIEW
(not to scale)
source
dest
4,5 AVDD
6
2
7
ADuC832
52pin MQFP
TOP VIEW
MicroConverter®
Quick Reference Guide
8
any of [Rn, direct, @Ri]
6,7,8 AGND
9
subtract from A 1,2 12
with borrow
10
11
12
13
14
#data
8bit constant included in instruction
9
CREF
2
12
#data16 16bit constant included in instruction
29 10
11
10 VREF
(not to scale)
INC
INC
INC
DEC
A
1
12
bit
rel
8bit direct address of bit
signed 8bit offset
11 DAC0
12
13
source
DPTR *
A
increment
decrement
1,2 12
10 12 DAC1
addr11 11bit address in current 2K page
addr16 16bit address
1
1
24
12
11 13 P1.4 / ADC4
12 14 P1.5 / ADC5 / SS
13 15 P1.6 / ADC6
DEC source
MUL AB
1,2 12
* INC DPTR increments the 24bit value DPP/DPH/DPL
multiply A by B
divide A by B
decimal adjust
1
1
1
48
48
12
a “Data Acquisition System on a Chip”
Logical Operations
DIV
DA
AB
A
14 16 P1.7 / ADC7
15 17 RESET
27 29 SDATA / MOSI
28 30 P2.0 / A8 / A16
29 31 P2.1 / A9 / A17
30 32 P2.2 / A10 / A18
31 33 P2.3 / A11 / A19
32 34 XTAL1 (in)
40 43 EA
ANL A,source
ANL A,#data
ANL direct,A
ANL direct,#data
ORL A,source
ORL A,#data
ORL direct,A
ORL direct,#data
XRL A,source
XRL A,#data
XRL direct,A
XRL direct,#data
1,2 12
41 44 PSEN
2
2
3
12
12
24
logical AND
logical OR
logical XOR
16 18 P3.0 / RxD
17 19 P3.1 / TxD
18 20 P3.2 / INT0
19 21 P3.3/INT1/MISO/PWM1
20 22 DVDD
42 45 ALE
the ADuC832 is:
Data Transfer Operations
MOV A,source
ADC: 12bit, 5µs, 8channel, self calibrating
43 46 P0.0 / AD0
44 47 P0.1 / AD1
45 48 P0.2 / AD2
46 49 P0.3 / AD3
47 50 DGND
0.5LSB INL & 70dB SNR
1,2 12
12
MOV A,#data
2
1,2 12
DAC: dual, 12bit, 15µs, voltage output
MOV dest,A
move source
to destination
1,2 12
1,2,3 24
2,3 12,24
2
2
3
12
12
24
1LSB DNL
33 35 XTAL2 (out)
MOV dest,source
MOV dest,#data
MOV DPTR,#data16
21 23 DGND
P3.4 / T0 / PWMC /
22 24
34 36 DVDD
Flash/EEPROM: 62K bytes Flash/EE program memory
35 37,38 DGND
48 51 DVDD
PWM0 / EXTCLK
3
1
1
1
1
1
1
2
2
24
24
24
24
24
24
24
24
24
1,2 12
4K bytes Flash/EE data memory
23 25 P3.5 / T1 / CONVST
24 26 P3.6 / WR
36 39 P2.4 / A12 / A20
37 40 P2.5 / A13 / A21
38 41 P2.6/A14/A22/PWM0
39 42 P2.7/A15/A23/PWM1
49 52 P0.4 / AD4
50 53 P0.5 / AD5
51 54 P0.6 / AD6
52 55 P0.7 / AD7
MOVC A,@A+DPTR move from
code memory
2
2
3
1
1
1
1
1
1
1
12
12
24
12
12
12
12
12
12
12
microcontroller: industry standard 8052
32 I/O lines, programmable PLL clock
MOVC A,@A+PC
25 27 P3.7 / RD
MOVX A,@Ri
(131KHz to 16.8MHz from 32KHz crystal)
26 28 SCLOCK
MOVX A,@DPTR
MOVX @Ri,A
MOVX @DPTR,A
PUSH direct
move to/from
data memory
CLR
CPL
RL
A
A
A
A
A
A
clear A to zero
complement A
rotate A left
other on-chip features: temperature sensor, power supply monitor,
watchdog timer, flexible serial interface ports,
voltage reference, time interval counter,
CODE MEMORY SPACE
push onto stack
pop from stack
RLC
RR
...through C
rotate A right
...through C
swap nibbles
dual 8/16bit PWM, power-on-reset
POP direct
FFFFh
FFFFh
(NOP instructions)
XCH A,source
XCHD A,@Ri
exchange bytes 1,2 12
RRC
F800h
FUNCTIONAL BLOCK DIAGRAM
F7FFh
exchg low digits
1
12
SWAP A
* pin numbers below refer to MQFP package
Program Branching
Boolean Variable Manipulation
ACALL addr11
2
3
1
24
24
24
CLR
CLR bit
SETB
int. SET1B b2i4t
CPL
C
1
2
1
2
1
2
2
2
2
2
2
2
2
2
3
3
3
12
12
12
12
12
12
24
24
24
24
12
24
24
24
24
24
24
call subroutine
clear bit to zero
LCALL addr16
RET
return from sub.
from
C
EA=1
EA=0
set bit to one
RETIreturn
internal
code space
external
code space
AJMP addr11
LJMP addr16
SJMP rel
2
3
2
1
2
2
3
3
3
2
2
3
1
24
24
24
24
24
24
24
24
24
24
24
24
12
C
complement bit
CPL bit
jump
62K bytes
Flash/EE
(64K
addressable)
hardware
CONVST 23
ANL C,bit
ANL C,/bit
ORL C,bit
ORL C,/bit
MOV C,bit
MOV bit,C
AND bit with C
...NOTbit with C
OR bit with C
ADuC832
JMP @A+DPTR
JZ
rel
rel
jump if A = 0
ADC0
ADC1
ADC2
ADC3
ADC4 11
ADC5 12
ADC6 13
ADC7 14
1
2
3
4
9
DAC0
BUF
BUF
DAC0
DAC1
ADC
JNZ
jump if A not 0
...NOTbit with C
DAC
control
control
&
T/H
12bit ADC
0000h
0000h
CJNE A,direct,rel
CJNE A,#data,rel
AIN
MUX
calibration
move bit to bit
10 DAC1
compare and
jump if not
CJNE Rn,#data,rel equal
CJNE @Ri,#data,rel
JC
rel
jump if C set
38 PWM0
39 PWM1
INTERRUPT VECTOR ADDRESSES
PWM
JNC rel
jmp if C not set
jump if bit set
jmp if bit not set
jmp&clear if set
4K x 8
data
Flash/EE
2K x 8
TEMP
sensor
(-3 mV/oC)
user “XRAM”
DJNZ Rn,rel
DJNZ direct, rel
NOP
decrement and
JB
bit,rel
22 T0
23 T1
jump if not zero
Priority
within
Level
256 x 8
user RAM
Vector
Address
Interrupt
Bit
JNB
JBC
bit,rel
16bit
counter
timers
62K x 8
program
Flash/EE
Interrupt Name
2.5V
bandgap
reference
8052
1
2
T2
no operation
bit, rel
MCU
watchdog
timer
T2EX
core
PSMCON.5 Power Supply Monitor Interrupt
43h
5Bh
03h
33h
0Bh
13h
1Bh
3Bh
23h
2Bh
53h
1
2
3
4
5
6
7
8
9
baudrate timer
power supply
monitor
WDS
IE0
ADCI
TF0
IE1
TF1
ISPI/I2CI
RI/TI
TF2/EXF2
WatchDog Timer Interrupt
External Interrupt 0
End of ADC Conversion Interrupt
Timer0 Overflow Interrupt
External Interrupt 1
Timer1 Overflow Interrupt
SPI/I2C Interrupt
UART Interrupt
time
interval
counter
VREF
8
7
downloader
debugger
BUF
18 INT0
19 INT1
ASSEMBLER DIRECTIVES
CREF
asynchronous
serial port
(UART)
synchronous
serial interface
(SPI or I2C)
OSC &
PLL
EQU
DATA
IDATA
define symbol
define internal memory symbol
define indirect addressing symbol
DW
ORG
END
store word values in program memory
set segment location counter
end of assembly source file
POR
XDATA define external memory symbol
CSEG
XSEG
DSEG
ISEG
select program memory space
select external data memory space
select internal data memory space
select indirectly addressed internal
data memory space
BIT
CODE
DS
DBIT
DB
define internal bit memory symbol
define program memory symbol
reserve bytes of data memory
reserve bits of bit memory
Timer2 Interrupt
10
11
store byte values in program memory BSEG
select bit addressable memory space
REV. 0
TIMECON.2 Time Interval Counter Interrupt
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