SAM7SE32 Atmel Corporation, SAM7SE32 Datasheet - Page 162
SAM7SE32
Manufacturer Part Number
SAM7SE32
Description
Manufacturer
Atmel Corporation
Specifications of SAM7SE32
Flash (kbytes)
32 Kbytes
Pin Count
144
Max. Operating Frequency
48 MHz
Cpu
ARM7TDMI
Hardware Qtouch Acquisition
No
Max I/o Pins
88
Ext Interrupts
88
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
External Bus Interface
1
Dram Memory
sdram
Nand Interface
Yes
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
Yes / No
Timers
3
Output Compare Channels
3
Input Capture Channels
3
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
No
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22.3
Table 22-1.
22.4
Table 22-2.
162
Name
NCS[7:0]
NRD
NWR0/NWE
NWR1/NUB
A0/NLB
A[22:1]
D[15:0]
NWAIT
A0
NWR0
NWR1
Multiplexed Signals
I/O Lines Description
Multiplexed Signals
SAM7SE512/256/32
I/O Lines Description
Static Memory Controller Multiplexed Signals
NLB
NWE
NUB
Description
Static Memory Controller Chip Select Lines
Read Signal
Write 0/Write Enable Signal
Write 1/Upper Byte Select Signal
Address Bit 0/Lower Byte Select Signal
Address Bus
Data Bus
External Wait Signal
Related Function
8-bit or 16-bit data bus, see
Byte-write or byte-select access, see
Byte-write or byte-select access, see
22.6.1.3 “Data Bus Width” on page
22.6.2.1 “Write Access Type” on page
22.6.2.1 “Write Access Type” on page
164.
Output
Output
Output
Output
Output
Output
Type
Input
I/O
165.
165.
6222F–ATARM–14-Jan-11
Active Level
Low
Low
Low
Low
Low
Low
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