AT91SAM7S128 ATMEL [ATMEL Corporation], AT91SAM7S128 Datasheet - Page 36

• Manufacturer Part Number: AT91SAM7S128
• Manufacturer: ATMEL [ATMEL Corporation]

11.5
36
Serial Peripheral Interface
AT91SAM7S Series Summary
Table 11-4.
Note:
Peripheral
ID
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15 - 29
30
31
• Supports communication with external serial devices
• Master or slave serial peripheral bus interface
– Four chip selects with external decoder allow communication with up to 15
– Serial memories, such as DataFlash
– Serial peripherals, such as ADCs, DACs, LCD Controllers, CAN Controllers and
– External co-processors
– 8- to 16-bit programmable data length per chip select
– Programmable phase and polarity per chip select
– Programmable transfer delays between consecutive transfers and between clock
– Programmable delay between consecutive transfers
– Selectable mode fault detection
– Maximum frequency at up to Master Clock
peripherals
Sensors
and data per chip select
1. Setting SYSIRQ and ADC bits in the clock set/clear registers of the PMC has no effect. The
System Controller is continuously clocked. The ADC clock is automatically started for the first
conversion. In Sleep Mode the ADC clock is automatically stopped after each conversion.
Peripheral Identifiers (AT91SAM7S32)
Peripheral
Mnemonic
AIC
SYSIRQ
PIOA
Reserved
ADC
SPI
US
Reserved
SSC
TWI
PWMC
Reserved
TC0
TC1
TC2
Reserved
AIC
Reserved
(1)
(1)
Peripheral
Name
Advanced Interrupt Controller
System Interrupt
Parallel I/O Controller A
Analog-to Digital Converter
Serial Peripheral Interface
USART
Synchronous Serial Controller
Two-wire Interface
PWM Controller
Timer/Counter 0
Timer/Counter 1
Timer/Counter 2
Advanced Interrupt Controller
®
and 3-wire EEPROMs
6175BS–ATARM–04-Nov-05
External
Interrupt
FIQ
IRQ0