ADUC843BCP32Z-5 Analog Devices Inc, ADUC843BCP32Z-5 Datasheet - Page 81

• Manufacturer Part Number: ADUC843BCP32Z-5
• Description: Microconverter, ADUC842 Without DACs
• Manufacturer: Analog Devices Inc
• Series: MicroConverter® ADuC8xxr

Specifications of ADUC843BCP32Z-5

• Core Processor: 8052
• Core Size: 8-Bit
• Speed: 16.78MHz
• 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): 4.75 V ~ 5.25 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

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