ADUC843BCPZ32-3 Analog Devices Inc, ADUC843BCPZ32-3 Datasheet - Page 81
ADUC843BCPZ32-3
Manufacturer Part Number
ADUC843BCPZ32-3
Description
Microconverter, ADUC842 Without DACs
Manufacturer
Analog Devices Inc
Series
MicroConverter® ADuC8xxr
Datasheet
1.EVAL-ADUC842QS.pdf
(88 pages)
Specifications of ADUC843BCPZ32-3
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
32KB (32K 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
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
56-LFCSP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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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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