ADUC824 Analog Devices, ADUC824 Datasheet - Page 13

• Manufacturer Part Number: ADUC824
• Description: Precision Analog Microcontroller: 1MIPS 8052 MCU + 8kB Flash + 16/24-Bit ADC + 12-Bit DAC
• Manufacturer: Analog Devices

Specifications of ADUC824

• Mcu Core: 8052
• Mcu Speed (mips): 1
• Sram (bytes): 256Bytes
• Gpio Pins: 34
• Adc # Channels: 4

Parameter
I
2
Input filtering on both the SCLOCK and SDATA inputs suppresses noise spikes less than 50 ns.
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
MSB
1
t
DHD
2-7
t
L
Min
4.7
4.0
0.6
100
0.6
0.6
1.3
LSB
8
t
SUP
t
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
t
1
F
R
t
R
ADuC824
Figure
7
7
7
7
7
7
7
7
7
7
7