SAM7S128 Atmel Corporation, SAM7S128 Datasheet - Page 183

• Manufacturer Part Number: SAM7S128
• Manufacturer: Atmel Corporation

Specifications of SAM7S128

• Flash (kbytes): 128 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): 32
• 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

7.8
ARM DDI 0029G
Unidirectional data write cycle timing
Figure 7-7 shows the ARM7TDMI processor unidirectional data write cycle timing.
The timing parameters used in Figure 7-6 are listed in Table 7-6.
DOUT[31:0]
nENOUT
MCLK
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T
T
nen
dohu
Symbol
T
T
T
dohu
doutu
nen
Table 7-7 Unidirectional data write cycle timing parameters
T
doutu
Parameter
DOUT[31:0] hold time from MCLKf
MCLKf to DOUT[31:0] valid
MCLKf to nENOUT valid
Figure 7-7 Unidirectional data write cycle timing
AC and DC Parameters
Parameter type
Minimum
Maximum
Maximum
7-11