ADUC812 Analog Devices, ADUC812 Datasheet - Page 51

• Manufacturer Part Number: ADUC812
• Description: Precision Analog Microcontroller: 1.3MIPS 8052 MCU + 8kB Flash + 8-Ch 12-Bit ADC + Dual 12-Bit DAC
• Manufacturer: Analog Devices

Specifications of ADUC812

• Mcu Core: 8052
• Mcu Speed (mips): 1.3
• Sram (bytes): 256Bytes
• Gpio Pins: 34
• Adc # Channels: 8

Parameter
I
t
t
t
t
t
t
t
t
t
t
t
REV. E
2
LOW
HIGH
HD; STA
SU; DAT
HD; DAT
SU; STA
SU; STO
BUF
R
F
SUP
C COMPATIBLE INTERFACE TIMING
1
SDATA (I/O)
SCLK (I)
t
SU
;
STO
CONDITION
STOP
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 for Both SCLOCK and SDATA
Fall Time for Both SCLOCK and SDATA
Pulsewidth of Spike Suppressed
PS
t
BUF
CONDITION
START
t
HD; STA
t
HD; STA
Figure 55. I
MSB
1
t
HD; DAT
2
C Compatible Interface Timing
2–7
t
LOW
–51–
LSB
8
t
t
SUP
SUP
t
t
HIGH
SU; DAT
Min
1.3
0.6
0.6
100
0
0.6
0.6
1.3
ACK
9
t
SU; STA
t
HD; DAT
REPEATED
START
S(R)
Max
0.9
300
300
50
t
F
MSB
t
1
R
t
R
Unit
ADuC812
µs
µs
µs
µs
µs
µs
µs
µs
ns
ns
ns