SAM7S16 Atmel Corporation, SAM7S16 Datasheet - Page 129

• Manufacturer Part Number: SAM7S16
• Manufacturer: Atmel Corporation

Specifications of SAM7S16

• Flash (kbytes): 16 Kbytes
• Pin Count: 48
• Max. Operating Frequency: 55 MHz
• Cpu: ARM7TDMI
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 21
• Ext Interrupts: 21
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Uart: 2
• 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): 4
• 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

Figure 20-6. SAM7S32/16 Parallel Programming Timing, Read Sequence
Table 20-5.
6175L–ATARM–28-Jul-11
Step
1
2
3
4
5
6
7
8
9
10
11
12
13
Programmer Action
Sets MODE and DATA signals
Clears NCMD signal
Waits for RDY low
Sets DATA signal in tristate
Clears NOE signal
Waits for NVALID low
Reads value on DATA Bus
Sets NOE signal
Waits for NVALID high
Sets DATA in output mode
Sets NCMD signal
Waits for RDY high
Read Handshake
MODE[3:0]
DATA[7:0]
NVALID
NCMD
NOE
RDY
1
2
Adress IN
ADDR
3
Device Action
Waits for NCMD low
Latch MODE and DATA
Clears RDY signal
Waits for NOE Low
Sets DATA bus in output mode and outputs the
flash contents.
Clears NVALID signal
Waits for NOE high
Sets DATA bus in input mode
Sets NVALID signal
Waits for NCMD high
Sets RDY signal
4
5
Z
6
7
Data OUT
8
9
10
11
X
12
13
IN
SAM7S Series
DATA I/O
Input
Input
Input
Input
Tristate
Output
Output
Output
Output
X
Input
Input
Input
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