ADUC831BSZ Analog Devices Inc, ADUC831BSZ Datasheet - Page 70

• Manufacturer Part Number: ADUC831BSZ
• Description: IC ADC/DAC 12BIT W/MCU 52-MQFP
• Manufacturer: Analog Devices Inc
• Series: MicroConverter® ADuC8xxr

Specifications of ADUC831BSZ

• Core Size: 8-Bit
• Program Memory Size: 62KB (62K x 8)
• Oscillator Type: Internal
• Core Processor: 8052
• Speed: 16MHz
• Connectivity: EBI/EMI, I²C, SPI, UART/USART
• Peripherals: PSM, Temp Sensor, WDT
• Number Of I /o: 34
• 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
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 52-MQFP, 52-PQFP
• Controller Family/series: (8052) ADUC
• No. Of I/o's: 34
• Eeprom Memory Size: 62KB
• Ram Memory Size: 2KB
• Cpu Speed: 16MHz
• No. Of: RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: EVAL-ADUC831QSZ - KIT DEV FOR ADUC831 QUICK START
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Parameter
UART TIMING (Shift Register Mode)
t
t
t
t
t
ADuC831
XLXL
QVXH
DVXH
XHDX
XHQX
(OUTPUT CLOCK)
Serial Port Clock Cycle Time
Output Data Setup to Clock
Input Data Setup to Clock
Input Data Hold after Clock
Output Data Hold after Clock
(OUTPUT DATA)
(INPUT DATA)
ALE (O)
RxD
RxD
TxD
Figure 73. UART Timing in Shift Register Mode
MSB
0
MSB
t
DVXH
t
BIT 6
QVXH
Min
700
300
0
50
1
BIT 6
12 MHz
Typ
1.0
–70–
t
t
XHQX
XHDX
Max
Min
10t
2t
0
2t
CK
CK
BIT 1
CK
6
+ 133
– 117
BIT 1
t
– 133
XLXL
Variable Clock
Typ
12t
CK
LSB
7
SET RI
SET TI
LSB
OR
Max
Unit
µs
ns
ns
ns
ns
Figure
73
73
73
73
73
REV. 0