Datasheet
Table Of Contents
- Features
- Applications
- Functional Block Diagram
- General Description
- Revision History
- Specifications
- Absolute Maximum Ratings
- Pin Configurations and Function Descriptions
- Typical Performance Characteristics
- Terminology
- Explanation of Typical Performance Plots
- Memory Organization
- Special Function Registers (SFRs)
- Special Function Registers
- ADC Circuit Information
- Calibrating the ADC
- Initiating Calibration in Code
- Nonvolatile Flash/EE Memory
- Using the Flash/EE Data Memory
- User Interface to Other On-Chip ADuC832 Peripherals
- On-Chip PLL
- Pulse-Width Modulator (PWM)
- PWM Modes of Operation
- Serial Peripheral Interface
- I2C-Compatible Interface
- Dual Data Pointers
- Power Supply Monitor
- Watchdog Timer
- Time Interval Counter (TIC)
- 8052-Compatible On-Chip Peripherals
- Timer/Counter 0 And Timer/Counter 1 Operating Modes
- Timer/Counter 2
- UART Serial Interface
- SBUF
- SCON (UART Serial Port Control Register)
- Mode 0: 8-Bit Shift Register Mode
- Mode 1: 8-Bit UART, Variable Baud Rate
- Mode 2: 9-Bit UART with Fixed Baud Rate
- Mode 3: 9-Bit UART with Variable Baud Rate
- UART Serial Port Baud Rate Generation
- Timer 1 Generated Baud Rates
- Timer 2 Generated Baud Rates
- Timer 3 Generated Baud Rates
- Interrupt System
- ADuC832 Hardware Design Considerations
- Other Hardware Considerations
- Development Tools
- Outline Dimensions

ADuC832 Data Sheet
Rev. B | Page 18 of 92
Table 10. SPI Slave Mode Timing (CPHA = 1)
Parameter
1
Description Min Typ Max Unit
t
SS
SS to SCLOCK edge
0 ns
t
SL
SCLOCK low pulse width 330 ns
t
SH
SCLOCK high pulse width 330 ns
t
DAV
Data output valid after SCLOCK edge 50 ns
t
DSU
Data input setup time before SCLOCK edge 100 ns
t
DHD
Data input hold time after SCLOCK edge 100 ns
t
DF
Data output fall time 10 25 ns
t
DR
Data output rise time 10 25 ns
t
SR
SCLOCK rise time 10 25 ns
t
SF
SCLOCK fall time
10
25
ns
t
SFS
SS high after SCLOCK edge
0 ns
1
See Figure 12.
MISO (O)
MOSI (I)
t
SH
t
SR
t
SF
t
DAV
t
DF
t
DR
MSB
LSB
t
SFS
t
SS
BITS 6 TO 1
t
SL
LSB IN
MSB IN
t
DSU
t
DHD
BITS 6 TO 1
02987-095
SS (I)
SCLOCK (I)
(CPOL = 1)
SCLOCK (I)
(CPOL = 0)
Figure 12. SPI Slave Mode Timing (CPHA = 1)