AT91SAM7S32B-MU Atmel, AT91SAM7S32B-MU Datasheet - Page 167

• Manufacturer Part Number: AT91SAM7S32B-MU
• Description: IC MCU ARM7 32KB FLASH 48-VQFN
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7S32B-MU

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: I²C, SPI, SSC, UART/USART
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 21
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K 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: 48-VQFN Exposed Pad, 48-HVQFN, 48-SQFN, 48-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: -

23.7.2.2
23.7.2.3
23.7.2.4
6175K–ATARM–30-Aug-10
External Interrupt Level Sensitive Source
Internal Interrupt Edge Triggered Source
Internal Interrupt Level Sensitive Source
Figure 23-7.
Figure 23-8.
Figure 23-9.
External Interrupt Level Sensitive Source
Internal Interrupt Edge Triggered Source
Internal Interrupt Level Sensitive Source
(High Level)
(Low Level)
IRQ or FIQ
IRQ or FIQ
nIRQ
nFIQ
MCK
nIRQ
MCK
nIRQ
MCK
Peripheral Interrupt
Peripheral Interrupt
Becomes Active
Becomes Active
Maximum IRQ Latency = 4.5 Cycles
AT91SAM7S Series Preliminary
Maximum IRQ Latency = 3.5 Cycles
Latency = 3 Cycles
Latency = 3 cycles
Maximum IRQ
Maximum FIQ
167