ADUC842BS62-3 Analog Devices Inc, ADUC842BS62-3 Datasheet - Page 81
ADUC842BS62-3
Manufacturer Part Number
ADUC842BS62-3
Description
IC ADC/DAC 12BIT W/MCU 52-MQFP
Manufacturer
Analog Devices Inc
Series
MicroConverter® ADuC8xxr
Datasheet
1.EVAL-ADUC842QS.pdf
(88 pages)
Specifications of ADUC842BS62-3
Rohs Status
RoHS non-compliant
Core Processor
8052
Core Size
8-Bit
Speed
8.38MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
DMA, PSM, PWM, Temp Sensor, WDT
Number Of I /o
32
Program Memory Size
62KB (62K x 8)
Program Memory Type
FLASH
Ram Size
2.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x12b, D/A 2x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
52-MQFP, 52-PQFP
Eeprom Size
-
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Parameter
I
t
t
t
t
t
t
t
t
t
t
t
1
Input filtering on both the SCLOCK and SDATA inputs suppresses noise spikes less than 50 ns.
2
L
H
SHD
DSU
DHD
RSU
PSU
BUF
R
F
SUP
C COMPATIBLE INTERFACE TIMING
1
SDATA (I/O)
SCLK (I)
SCLOCK Low Pulse Width
SCLOCK High Pulse Width
Start Condition Hold Time
Data Setup Time
Data Hold Time
Setup Time for Repeated Start
Stop Condition Setup Time
Bus Free Time between a Stop Conditionand a Start Condition
Rise Time of Both SCLOCK and SDATA
Fall Time of Both SCLOCK and SDATA
Pulse Width of Spike Suppressed
t
PSU
CONDITION
STOP
PS
t
BUF
CONDITION
START
t
DSU
t
SHD
MSB
1
Figure 90. I
t
DHD
2-7
2
Rev. 0 | Page 81 of 88
C Compatible Interface Timing
t
L
LSB
8
t
t
SUP
SUP
t
H
t
DSU
ACK
9
t
RSU
ADuC841/ADuC842/ADuC843
t
DHD
REPEATED
START
Min
1.3
0.6
0.6
100
0.6
0.6
1.3
S(R)
t
F
Max
0.9
300
300
50
MSB
t
F
1
t
R
t
R
Unit
µs
µs
µs
µs
µs
µs
µs
µs
ns
ns
ns
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