ADUC836 Analog Devices, ADUC836 Datasheet - Page 76

• Manufacturer Part Number: ADUC836
• Description: Precision Analog Microcontroller: 1MIPS 8052 MCU + 62kB Flash + Dual 16-Bit ADC + 12-Bit DAC
• Manufacturer: Analog Devices

Specifications of ADUC836

• Mcu Core: 8052
• Mcu Speed (mips): 1
• Sram (bytes): 2304Bytes
• Gpio Pins: 34
• Adc # Channels: 4
• Other: PWM

Parameter
SPI MASTER MODE TIMING (CPHA = 0)
*Characterized under the following conditions:
ADuC836
1. Core clock divider bits CD2, CD1, and CD0 in PLLCON SFR set to 0, 1, and 1 respectively, i.e., core clock frequency = 1.57 MHz.
2. SPI bit rate selection bits SPR1 and SPR0 in SPICON SFR are both set to 0.
t
t
t
t
t
t
t
t
t
t
SL
SH
DAV
DOSU
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 Output Setup before 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
t
Figure 76. SPI Master ModeTiming (CPHA = 0)
DAV
t
SH
t
DSU
MSB IN
t
DHD
MSB
t
SL
t
DF
–76–
Min
100
100
t
DR
BITS 6–1
BITS 6–1
t
SR
Typ
630
630
10
10
10
10
LSB IN
t
SF
Max
50
150
25
25
25
25
LSB
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
REV. A