SAM7S16 Atmel Corporation, SAM7S16 Datasheet - Page 677

• 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

40.13 SAM7S128 Errata - Revision C Parts
40.13.1
40.13.1.1
40.13.2
40.13.2.1
40.13.2.2
6175L–ATARM–28-Jul-11
Embedded Flash Controller (EFC)
Parallel Input/Output Controller (PIO)
EFC: Embedded Flash Access Time 1
PIO: Electrical Characteristics on NRST and PA0-PA16 and PA21-31
PIO: Drive Low NRST, PA0-PA16 and PA21-PA31
Refer to
Note: AT91SAM7S128 Revision C chip ID is 0x270A 0742.
The embedded Flash maximum access time is 20 MHz (instead of 30 MHz) at zero Wait State
(FWS = 0).
The maximum operating frequency with one Wait State (FWS = 1) is 48.1 MHz (instead of
55 MHz). Above 48.1 MHz and up to 55 MHz, two Wait States (FWS = 2) are required.
Set the number of Wait States (FWS) according to the frequency requirements described in this
errata.
When NRST or PA0-PA16 or PA21-PA31 are set as digital inputs with pull-up enabled, the volt-
age of the I/O stabilizes at VPull-up.
Vpull-up
This condition causes a leakage through VDDIO. This leakage is 45 µA per pad in worst case at
3.3 V, and 25 µA at 1.8V.
I Leakage
It is recommended to use an external pull-up if needed.
When NRST or PA0-PA16 and or PA21-PA31 are set as digital inputs with pull-up enabled, driv-
ing the I/O with an output impedance higher than 500 ohms may not drive the I/O to a logical
zero.
Output impedance must be lower than 500 ohms.
VPull-up Min
VDDIO - 0.65 V
Parameter
I Leakage at 3,3V
I Leakage at 1.8V
Problem Fix/Workaround
Problem Fix/Workaround
Problem Fix/Workaround
Section 40.1 “Marking” on page
VPull-up Max
VDDIO - 0.45 V
Typ
2.5
1
µA
µA
Max
45
25
µA
µA
591.
SAM7S Series
677