ADUC847BS32-3 Analog Devices Inc, ADUC847BS32-3 Datasheet - Page 101

• Manufacturer Part Number: ADUC847BS32-3
• Description: IC FLASH MCU W/24BIT ADC 52-MQFP
• Manufacturer: Analog Devices Inc
• Series: MicroConverter® ADuC8xxr

Specifications of ADUC847BS32-3

• Core Processor: 8052
• Core Size: 8-Bit
• Speed: 12.58MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: POR, PSM, PWM, Temp Sensor, WDT
• Number Of I /o: 34
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 2.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 10x24b; D/A 1x12b, 2x16b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 52-MQFP, 52-PQFP
• For Use With: EVAL-ADUC847QSZ - KIT DEV QUICK START FOR ADUC847
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Table 70. SPI SLAVE MODE TIMING (CPHA = 1) Parameter
t
t
t
t
t
t
t
t
t
t
t
SS
SL
SH
DAV
DSU
DHD
DF
DR
SR
SF
SFS
SS to SCLOCK Edge
SCLOCK Low Pulse Width
SCLOCK High Pulse Width
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
SS High After SCLOCK Edge
(CPOL = 0)
(CPOL = 1)
SCLOCK
SCLOCK
MISO
MOSI
SS
t
SS
t
DAV
t
SH
t
DSU
Figure 78. SPI Slave Mode Timing (CHPA = 1)
MSB IN
MSB
t
DHD
t
SL
Rev. B | Page 101 of 108
t
DF
t
DR
BITS 6–1
BITS 6–1
t
SR
Min
0
100
100
0
ADuC845/ADuC847/ADuC848
LSB IN
LSB
t
SFS
t
SF
Typ
330
330
10
10
10
10
Max
50
25
25
25
25
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns