Analog Devices MicroConverter ADuC824 Quick Reference Manual

INSTRUCTION SET
Arithmetic Operations
ADD A,source 1,2 12 Rn register addressing using R0-R7
add source to A
direct 8bit internal address (00h-FFh)
ADD A,#data 2 12
@Ri indirect addressing using R0 or R1
ADDC A,source 1,2 12
add with carry
source any of [Rn, direct, @Ri]
ADDC A,#data 2 12
dest any of [Rn, direct, @Ri]
SUBB A,source subtract from A 1,2 12
#data 8bit constant included in instruction
with borrow
SUBB A,#data 2 12
#data16 16bit constant included in instruction
INC A 1 12
bit 8bit direct address of bit
INC source increment 1,2 12 rel signed 8bit offset
addr11 11bit address in current 2K page
INC DPTR * 1 24
addr16 16bit address
DEC A 1 12
decrement
DEC source 1,2 12 *
INC DPTR increments the 24bit value DPP/DPH/DPL
MUL AB multiply A by B 1 48
Logical Operations
DIV AB divide A by B 1 48
ANL A,source
DA A decimal adjust 1 12
ANL A,#data
Data Transfer Operations ANL direct,A
MOV A,source 1,2 12 ANL direct,#data
MOV A,#data 2 12 ORL A,source
MOV dest,A move source 1,2 12 ORL A,#data
to destination
MOV dest,source 1,2,3 24 ORL direct,A
MOV dest,#data 2,3 12,24 ORL direct,#data
MOV DPTR,#data16 3 24 XRL A,source
MOVC A,@A+DPTR move from 1 24 XRL A,#data
code memory
MOVC A,@A+PC 1 24 XRL direct,A
MOVX A,@Ri 1 24 XRL direct,#data
MOVX A,@DPTR move to/from 1 24 CLR A
data memory
MOVX @Ri,A 1 24 CPL A
MOVX @DPTR,A 1 24 RL A
PUSH direct push onto stack 2 24 RLC A
POP direct pop from stack 2 24 RR A
XCH A,source exchange bytes 1,2 12 RRC A
XCHD A,@Ri exchg low digits 1 12 SWAP A
Program Branching Boolean Variable Manipulation
ACALL addr11 2 24 CLR C
call subroutine
LCALL addr16 3 24 CLR bit
RET return from sub. 1 24 SETB C
RETI return from int. 1 24 SETB bit
AJMP addr11 2 24 CPL C
LJMP addr16 3 24 CPL bit
jump
SJMP rel 2 24 ANL C,bit
JMP @A+DPTR 1 24 ANL C,/bit
JZ rel jump if A = 0 2 24 ORL C,bit
JNZ rel jump if A not 0 2 24 ORL C,/bit
CJNE A,direct,rel 3 24 MOV C,bit
CJNE A,#data,rel compare and 3 24 MOV bit,C
jump if not
CJNE Rn,#data,rel equal 3 24 JC rel
CJNE @Ri,#data,rel 3 24 JNC rel
DJNZ Rn,rel decrement and 2 24 JB bit,rel
jump if not zero
DJNZ direct, rel 3 24 JNB bit,rel
NOP no operation 1 12 JBC bit, rel
ASSEMBLER DIRECTIVES
EQU define symbol DW store word values in program memory
DATA define internal memory symbol ORG set segment location counter
IDATA define indirect addressing symbol END end of assembly source file
XDATA define external memory symbol CSEG select program memory space
BIT define internal bit memory symbol XSEG select external data memory space
CODE define program memory symbol DSEG select internal data memory space
DS reserve bytes of data memory ISEG select indirectly addressed internal
DBIT reserve bits of bit memory data memory space
DB store byte values in program memory BSEG select bit addressable memory space
1 56 P1.0 / T2
Legend
2 1 P1.1 / T2EX
3 2 P1.2 / I 1 / DAC
EXC
4 3 P1.3 / I 2 / AIN5
EXC
5 4,5 AV
DD
6 6,7,8 AGND
7 9 REFIN-
8 10 REFIN+
9 11 P1.4 / AIN1
10 12 P1.5 / AIN2
11 13 P1.6 / AIN3
12 14 P1.7 / AIN4 / DAC
13 15 SS
14 16 MISO
1,2 12
15 17 RESET
2 12
logical AND
16 18 P3.0 / RxD
2 12
17 19 P3.1 / TxD
3 24
18 20 P3.2 / INT0
1,2 12
19 21 P3.3 / INT1
2 12
logical OR
20 22 DV
DD
2 12
21 23 DGND
3 24
22 24 P3.4 / T0
1,2 12
23 25 P3.5 / T1
2 12
logical XOR
24 26 P3.6 / WR
2 12
25 27 P3.7 / RD
3 24
26 28 SCLOCK / D0
clear A to zero 1 12
complement A 1 12
rotate A left 1 12
PROGRAM MEMORY SPACE (read only)
...through C 1 12
rotate A right 1 12
...through C 1 12
swap nibbles 1 12
1 12
clear bit to zero
2 12
1 12
set bit to one
2 12
1 12
complement bit
2 12
AND bit with C 2 24
1FFFh
...NOTbit with C 2 24
OR bit with C 2 24
...NOTbit with C 2 24
0000h
2 12
move bit to bit
2 24
jump if C set 2 24
INTERRUPT VECTOR ADDRESSES
jmp if C not set 2 24
jump if bit set 3 24
Interrupt
jmp if bit not set 3 24
Bit
jmp&clear if set 3 24
PSMCON.5
WDS
IE0
RDY0/RDY1
TF0
IE1
TF1
ISPI
RI/TI
TF2/EXF2
TIMECON.2
PIN FUNCTIONS
1 42
pin 1 identifier pin 1 identifier
1
2 41
2
3 40
4 39
3
ADuC824
5 38
4 ADuC824
6 37
56pin CSP
7 36
5
8 35
TOP VIEW
6 52pin PQFP
9 34
10 (not to scale) 33 7
11 32 TOP VIEW
8
12 31
9
13 30
(not to scale)
14 29
10
11
12
13
27 29 MOSI / D1 40 43 EA
28 30 P2.0 / A8 / A16 41 44 PSEN
29 31 P2.1 / A9 / A17 42 45 ALE
30 32 P2.2 / A10 / A18 43 46 P0.0 / AD0
31 33 P2.3 / A11 / A19 44 47 P0.1 / AD1
32 34 XTAL1 (in) 45 48 P0.2 / AD2
33 35 XTAL2 (out) 46 49 P0.3 / AD3
34 36 DV 47 50 DGND
DD
35 37,38 DGND 48 51 DV
DD
36 39 P2.4 / A12 / A20 49 52 P0.4 / AD4
37 40 P2.5 / A13 / A21 50 53 P0.5 / AD5
38 41 P2.6 / A14 / A22 51 54 P0.6 / AD6
39 42 P2.7 / A15 / A23 52 55 P0.7 / AD7
FFFFh
external
program
memory
64K bytes
addressable
2000h
EA=1
EA=0
internal
external
8K bytes
Flash/EE
Priority
Vector
within
Interrupt Name
Address
Level
Power Supply Monitor Interrupt 43h
WatchDog Timer Interrupt 5Bh
External Interrupt 0 03h
End of ADC Conversion Interrupt 33h
Timer0 Overflow Interrupt 0Bh
External Interrupt 1 13h
Timer1 Overflow Interrupt 1Bh
SPI Interrupt 3Bh
UART Interrupt 23h
Timer2 Interrupt 2Bh 10
Time Interval Counter Interrupt 53h 11
39
38
37
36
MicroConverter
35
34
33
32
Quick Reference Guide
31
30
29
28
27
a "Data Acquisition System on a Chip"
the ADuC824 is: ADC:
DAC:
EEPROM:
microcontroller:
other on-chip features:
FUNCTIONAL BLOCK DIAGRAM
(primary ADC)
AIN1 9
AIN2 10
AIN
BUF PGA
MUX
(auxillary ADC)
AIN3 11
AIN4 12
16 bit
AIN
ADC
MUX
AIN5 4
TEMP bandgap
sensor reference
(256 counts
o
per C)
REFIN+ 8
V
REF
detect
REFIN- 7
1
2
200µA / 400µA
3
I 1 3 asynchronous
EXC
4 I 2 4
EXC
5
6
7
8
9
www.analog.com/microconverter
ADuC824
®
24bit with programmable gain,
plus 16bit auxiliary ADC
12bit, 15µs, voltage output, rail-to-rail
<1LSB DNL
8K bytes Flash/EE program memory
640 bytes Flash/EE data memory
industry standard 8052
32 I/O lines, programmable PLL clock
(98KHz to 12MHz from 32KHz crystal)
calibrated temperature sensor, power supply
monitor, watchdog timer, flexible serial
interface ports, voltage reference, time interval
counter
ADuC824
ADC
24 bit
control
ADC &
calibration
DAC
ADC
DAC 3 DAC
BUF
control
control
&
calibration
640 x 8 256 x 8
data user RAM
22 T0
Flash/EE
16bit 23 T1
counter
1 T2
8052 timers
watchdog
8K x 8
2 T2EX
timer
program
MCU
Flash/EE core
power supply
monitor
time
downloader
18 18 INT0 INT0
interval
debugger
counter
19 19 INT1 INT1
synchronous
26 D0
serial port serial interface OSC &
UART ( SPI ) PLL
( ) 27 D1
REV. A