ADUC831BS Analog Devices Inc, ADUC831BS Datasheet - Page 71

• Manufacturer Part Number: ADUC831BS
• Description: IC ADC/DAC 12BIT W/MCU 52-MQFP
• Manufacturer: Analog Devices Inc
• Series: MicroConverter® ADuC8xxr

Specifications of ADUC831BS

• Rohs Status: RoHS non-compliant
• Core Processor: 8052
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: EBI/EMI, I²C, SPI, UART/USART
• Peripherals: PSM, Temp Sensor, WDT
• Number Of I /o: 34
• Program Memory Size: 62KB (62K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 2.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x12b, D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 52-MQFP, 52-PQFP
• For Use With: EVAL-ADUC831QSZ - KIT DEV FOR ADUC831 QUICK START

Parameter
I
*Input filtering on both the SCLOCK and SDATA inputs suppresses noise spikes less than 50 ns.
REV. 0
2
C COMPATIBLE INTERFACE TIMING
t
t
t
t
t
t
t
t
t
t
t
L
H
SHD
DSU
DHD
RSU
PSU
BUF
R
F
SUP
*
SDATA (I/O)
SCLK (I)
SCLOCK Low Pulsewidth
SCLOCK High Pulsewidth
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
Condition and a START Condition
Rise Time of Both SCLOCK and SDATA
Fall Time of Both SCLOCK and SDATA
Pulsewidth of Spike Suppressed
t
PSU
CONDITION
STOP
PS
t
BUF
CONDITION
START
t
DSU
t
SHD
Figure 74. I
MSB
1
t
DHD
2
C Compatible Interface Timing
2-7
t
–71–
L
LSB
Min
4.7
4.0
0.6
100
0.6
0.6
1.3
8
t
t
SUP
SUP
t
H
t
DSU
ACK
Max
0.9
300
300
50
9
t
RSU
t
DHD
REPEATED
START
S(R)
Unit
µs
µs
µs
µs
µs
µs
µs
µs
ns
ns
ns
t
F
MSB
t
F
1
t
R
t
R
ADuC831
Figure
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