ADUC831BS Analog Devices Inc, ADUC831BS Datasheet - Page 69
![IC ADC/DAC 12BIT W/MCU 52-MQFP](/photos/6/65/66517/505-52-mqfp_sml.jpg)
ADUC831BS
Manufacturer Part Number
ADUC831BS
Description
IC ADC/DAC 12BIT W/MCU 52-MQFP
Manufacturer
Analog Devices Inc
Series
MicroConverter® ADuC8xxr
Datasheet
1.EVAL-ADUC831QSZ.pdf
(76 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ADUC831BS
Manufacturer:
SHARP
Quantity:
21 512
Company:
Part Number:
ADUC831BS
Manufacturer:
ADI
Quantity:
150
Part Number:
ADUC831BS
Manufacturer:
ADI/亚德诺
Quantity:
20 000
Company:
Part Number:
ADUC831BSB20
Manufacturer:
MINI
Quantity:
892
Company:
Part Number:
ADUC831BSZ
Manufacturer:
Analog Devices Inc
Quantity:
10 000
Part Number:
ADUC831BSZ
Manufacturer:
AD
Quantity:
20 000
Company:
Part Number:
ADUC831BSZ-REEL
Manufacturer:
AD
Quantity:
1 200
Company:
Part Number:
ADUC831BSZ-REEL
Manufacturer:
Analog Devices Inc
Quantity:
10 000
Parameter
EXTERNAL DATA MEMORY WRITE CYCLE
t
t
t
t
t
t
t
t
t
REV. 0
WLWH
AVLL
LLAX
LLWL
AVWL
QVWX
QVWH
WHQX
WHLH
WR Pulsewidth
Address Valid after ALE Low
Address Hold after ALE Low
ALE Low to RD or WR Low
Address Valid to RD or WR Low
Data Valid to WR Transition
Data Setup before WR
Data and Address Hold after WR
RD or WR High to ALE High
PORT 2 (O)
PSEN (O)
ALE (O)
WR (O)
M
CLK
t
AVLL
Figure 72. External Data Memory Write Cycle
A16–A23
A0–A7
t
LLAX
t
AVWL
t
LLWL
Min
400
43
48
200
203
33
433
33
43
–69–
12 MHz
t
QVWX
t
DATA
A8–A15
QVWH
Max
300
123
t
WLWH
t
t
t
Min
6t
t
t
3t
4t
7t
CK
CK
CK
CK
CK
Variable Clock
CK
CK
CK
CK
– 40
– 35
– 50
– 50
– 40
– 100
– 50
– 130
– 150
t
WHLH
t
WHQX
Max
3t
6t
CK
CK
+ 50
– 100
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ADuC831
Figure
72
72
72
72
72
72
72
72
72