AT91SAM7S256C-MU-999 Atmel, AT91SAM7S256C-MU-999 Datasheet - Page 34

• Manufacturer Part Number: AT91SAM7S256C-MU-999
• Description: IC MCU ARM7 256KB FLASH 64-VQFN
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7S256C-MU-999

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: I²C, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 64K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-VQFN Exposed Pad, 64-HVQFN, 64-SQFN, 64-DHVQFN
• For Use With: AT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9AT91SAM7S-EK - KIT EVAL FOR ARM AT91SAM7S
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Other names: AT91SAM7S256-MU-999; AT91SAM7S256-MU-999

10. Peripherals
10.1
10.2
34
User Interface
Peripheral Identifiers
AT91SAM7S Series Summary
The User Peripherals are mapped in the 256 MBytes of address space between 0xF000 0000
and 0xFFFF EFFF. Each peripheral is allocated 16 Kbytes of address space.
A complete memory map is provided in
The AT91SAM7S Series embeds a wide range of peripherals.
Identifiers of the AT91SAM7S512/256/128/64/321/161.
fiers of the AT91SAM7S32/16. 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 10-1.
Note:
Peripheral
ID
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15 - 29
30
31
1. Setting SYSC and ADC bits in the clock set/clear registers of the PMC has no effect. The Sys-
tem 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 (AT91SAM7S512/256/128/64/321/161)
Peripheral
Mnemonic
AIC
SYSC
PIOA
Reserved
ADC
SPI
US0
US1
SSC
TWI
PWMC
UDP
TC0
TC1
TC2
Reserved
AIC
AIC
(1)
(1)
Peripheral
Name
Advanced Interrupt Controller
System
Parallel I/O Controller A
Analog-to Digital Converter
Serial Peripheral Interface
USART 0
USART 1
Synchronous Serial Controller
Two-wire Interface
PWM Controller
USB Device Port
Timer/Counter 0
Timer/Counter 1
Timer/Counter 2
Advanced Interrupt Controller
Advanced Interrupt Controller
Figure 8-1 on page
Table 10-2
20.
Table 10-1
defines the Peripheral Identi-
defines the Peripheral
6175IS–ATARM–30-Aug-10
External
Interrupt
FIQ
IRQ0
IRQ1