AT91SAM7S32-AI ATMEL [ATMEL Corporation], AT91SAM7S32-AI Datasheet - Page 24
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AT91SAM7S32-AI
Manufacturer Part Number
AT91SAM7S32-AI
Description
AT91 ARM Thumb-based Microcontrollers
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT91SAM7S32-AI.pdf
(446 pages)
- Current page: 24 of 446
- Download datasheet (3Mb)
Peripheral Identifiers
Serial Peripheral
Interface
24
AT91SAM7S32 Preliminary
The AT91SAM7S32 embeds a wide range of peripherals. Table 4 defines the Peripheral
Identifiers of the AT91SAM7S32. A peripheral identifier is required for the control of the
peripheral interrupt with the Advanced Interrupt Controller and for the control of the
peripheral clock with the Power Management Controller.
Table 4. Peripheral Identifiers
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
–
–
–
–
–
–
1. Setting SYSIRQ and ADC bits in the clock set/clear registers of the PMC has no
Four chip selects with external decoder allow communication with up to 15
peripherals
Serial memories, such as DataFlash
Serial peripherals, such as ADCs, DACs, LCD Controllers, CAN Controllers
and Sensors
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 and data per chip select
Programmable delay between consecutive transfers
Selectable mode fault detection
Maximum frequency at up to Master Clock
effect. The System Controller is continuously clocked. The ADC clock is automati-
cally started for the first conversion. In Sleep Mode the ADC clock is automatically
stopped after each conversion.
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
6071A–ATARM–28-Oct-04
FIQ
IRQ0
External
Interrupt
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