AT90USB162 Atmel Corporation, AT90USB162 Datasheet - Page 25
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AT90USB162
Manufacturer Part Number
AT90USB162
Description
Manufacturer
Atmel Corporation
Specifications of AT90USB162
Flash (kbytes)
16 Kbytes
Pin Count
32
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
Hardware Qtouch Acquisition
No
Max I/o Pins
22
Ext Interrupts
21
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
2
Uart
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
0.5
Eeprom (bytes)
512
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
2.7 to 5.5
Operating Voltage (vcc)
2.7 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
2
Output Compare Channels
5
Input Capture Channels
1
Pwm Channels
4
32khz Rtc
No
Calibrated Rc Oscillator
Yes
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7618C–AVR–07/08
/*F************************************************************************
**
* NAME: flash_fill_temp_buffer
*--------------------------------------------------------------------------
--
* PARAMS:
* data16 :
* address:
* return:
*--------------------------------------------------------------------------
--
* PURPOSE:
* This function allows to load a word in the temporary flash buffer.
*--------------------------------------------------------------------------
--
* EXAMPLE:
* fill_temp_buffer(data16, address);
*--------------------------------------------------------------------------
--
* NOTE:
* the first paramater used the registers R16, R17
* The second parameter used the registers R18, R19
***************************************************************************
**/
flash_fill_temp_buffer:
;*F************************************************************************
**
; NAME: lock_wr_bits
;--------------------------------------------------------------------------
--
; PARAMS:
;--------------------------------------------------------------------------
--
; PURPOSE:
;**************************************************************************
**
lock_wr_bits:
RJMP
MOV
MOV
MOV
MOV
LDI
OUT SPMCSR, R20; r18 decides function
SPM
RJMP
WAIT_SPMEN
WAIT_SPMEN
R31,R19
R30,R18
R0,R17
R1,R16
R20,(1<<SPMEN)
none
R16/R17: word to load in the temporary buffer.
R18/R19: address of the word.
R16: value to write
; Store program memory
;Wait for SPMEN flag cleared
;move adress to z pointer (R31=ZH R30=ZL)
;move data16 to reg 0 and 1
; Wait for SPMEN flag cleared
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