AT90USB1287 Atmel Corporation, AT90USB1287 Datasheet - Page 86
AT90USB1287
Manufacturer Part Number
AT90USB1287
Description
Manufacturer
Atmel Corporation
Specifications of AT90USB1287
Flash (kbytes)
128 Kbytes
Pin Count
64
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
48
Ext Interrupts
16
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device + OTG
Spi
2
Twi (i2c)
1
Uart
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
8
Eeprom (bytes)
4096
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
4
Output Compare Channels
10
Input Capture Channels
1
Pwm Channels
9
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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Table 10-13. Overriding Signals for Alternate Functions PD7..PD4
Table 10-14. Overriding Signals for Alternate Functions in PD3..PD0
Note:
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
1. When enabled, the 2-wire Serial Interface enables Slew-Rate controls on the output pins PD0
and PD1. This is not shown in this table. In addition, spike filters are connected between the
AIO outputs shown in the port figure and the digital logic of the TWI module.
PD3/INT3/TXD1
TXEN1
0
TXEN1
1
TXEN1
TXD1
INT3 ENABLE
1
INT3 INPUT
–
PD7/T0
0
0
0
0
0
0
0
0
T0 INPUT
–
PD6/T1
0
0
0
0
0
0
0
0
T1 INPUT
–
PD2/INT2/RXD1
RXEN1
PORTD2 • PUD
RXEN1
0
0
0
INT2 ENABLE
1
INT2 INPUT/RXD1
–
PD5/XCK1
0
0
XCK1 OUTPUT ENABLE
1
XCK1 OUTPUT ENABLE
XCK1 OUTPUT
0
0
XCK1 INPUT
–
PD1/INT1/SDA/
OC2B
TWEN
PORTD1 • PUD
TWEN
SDA_OUT
TWEN | OC2B
ENABLE
OC2B
1
SDA INPUT
INT1 ENABLE
INT1 INPUT
(1)
PD0/INT0/SCL/
OC0B
TWEN
PORTD0 • PUD
TWEN
SCL_OUT
TWEN | OC0B
ENABLE
OC0B
INT0 ENABLE
1
INT0 INPUT
SCL INPUT
PD4/ICP1
0
0
0
0
0
0
0
0
ICP1 INPUT
–
7593K–AVR–11/09
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