ADUC834BSZ Analog Devices Inc, ADUC834BSZ Datasheet - Page 74

• Manufacturer Part Number: ADUC834BSZ
• Description: IC ADC DUAL16/24BIT W/MCU 52MQFP
• Manufacturer: Analog Devices Inc
• Series: MicroConverter® ADuC8xxr

Specifications of ADUC834BSZ

• Core Size: 8-Bit
• Program Memory Size: 62KB (62K x 8)
• Oscillator Type: Internal
• Core Processor: 8052
• Speed: 12.58MHz
• Connectivity: EBI/EMI, I²C, SPI, UART/USART
• Peripherals: POR, PSM, PWM, 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 ~ 5.25 V
• Data Converters: A/D 3x16b, 4x24b; D/A 1x12b
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 52-MQFP, 52-PQFP
• Controller Family/series: (8052) ADUC
• No. Of I/o's: 26
• Eeprom Memory Size: 62KB
• Ram Memory Size: 2KB
• Cpu Speed: 12.58MHz
• Package: 52MQFP
• Device Core: 8052
• Family Name: ADuC8xx
• Maximum Speed: 12.58 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 26
• Interface Type: I2C/SPI/UART
• On-chip Adc: 4-chx16-bit|4-chx24-bit
• On-chip Dac: 1-chx12-bit
• Number Of Timers: 3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ADuC834
Parameter
UART TIMING (Shift Register Mode)
t
t
t
t
t
XLXL
QVXH
DVXH
XHDX
XHQX
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 CLOCK)
(OUTPUT DATA)
(INPUT DATA)
ALE (O)
RxD
RxD
TxD
Figure 74. UART Timing in Shift Register Mode
MSB
01
MSB
Min
12.58 MHz Core_Clk
662
292
0
42
t
DVXH
t
BIT 6
QVXH
67
Typ
0.95
BIT 6
–74–
t
t
XHQX
XHDX
Max
Min
10t
2t
0
2t
CORE
CORE
CORE
Variable Core_Clk
+ 133
– 117
BIT 1
– 133
BIT 1
t
XLXL
Typ
12t
CORE
SET RI
SET TI
LSB
OR
Max
Unit
ns
ns
ns
ns
s
REV. A
Figure
74
74
74
74
74