SAM7S321 Atmel Corporation, SAM7S321 Datasheet - Page 182

• Manufacturer Part Number: SAM7S321
• Manufacturer: Atmel Corporation

Specifications of SAM7S321

• Flash (kbytes): 32 Kbytes
• Pin Count: 64
• Max. Operating Frequency: 55 MHz
• Cpu: ARM7TDMI
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 32
• Ext Interrupts: 32
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 1
• Twi (i2c): 1
• Uart: 3
• Ssc: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 384
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 8
• Self Program Memory: NO
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8/3.3
• Operating Voltage (vcc): 3.0 to 3.6
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 3
• Output Compare Channels: 3
• Input Capture Channels: 3
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

AC and DC Parameters
7.7
7-10
Output 3-state timing
Figure 7-6 shows the ARM7TDMI processor output 3-state timing. The timing
parameters used in Figure 7-6 are listed in Table 7-6.
MAS[1:0]
nTRANS
D[31:0]
A[31:0]
MCLK
LOCK
nOPC
nRW
TBE
Copyright © 1994-2001. All rights reserved.
Symbol
T
T
tbe
tbz
T
tbz
Parameter
Address and Data bus enable time from TBEr
Address and Data bus disable time from TBEf
T
tbe
Table 7-6 Output 3-state time timing parameters
Figure 7-6 Output 3-state timing
Maximum
Maximum
Parameter type
ARM DDI 0029G