ADUC831BS Analog Devices Inc, ADUC831BS Datasheet - Page 72

• Manufacturer Part Number: ADUC831BS
• Description: IC ADC/DAC 12BIT W/MCU 52-MQFP
• Manufacturer: Analog Devices Inc
• Series: MicroConverter® ADuC8xxr

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

ADuC831
Parameter
SPI MASTER MODE TIMING (CPHA = 1)
t
t
t
t
t
t
t
t
t
SL
SH
DAV
DSU
DHD
DF
DR
SR
SF
(CPOL = 0)
(CPOL = 1)
SCLOCK
SCLOCK
SCLOCK Low Pulsewidth
SCLOCK High Pulsewidth
Data Output Valid after SCLOCK Edge
Data Input Setup Time before SCLOCK Edge
Data Input Hold Time after SCLOCK Edge
Data Output Fall Time
Data Output Rise Time
SCLOCK Rise Time
SCLOCK Fall Time
MOSI
MISO
Figure 75. SPI Master Mode Timing (CPHA = 1)
t
DAV
t
SH
t
DSU
MSB IN
t
MSB
DHD
t
SL
t
DF
–72–
t
DR
Min
100
100
BITS 6–1
BITS 6–1
t
SR
Typ
330
330
10
10
10
10
t
LSB IN
SF
Max
50
25
25
25
25
LSB
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
75
75
75
75
75
75
75
75
Figure
75
REV. 0