AT90USB1286-16MU ATMEL [ATMEL Corporation], AT90USB1286-16MU Datasheet - Page 372

• Manufacturer Part Number: AT90USB1286-16MU
• Description: Microcontroller with 64/128K Bytes of ISP Flash and USB Controller
• Manufacturer: ATMEL [ATMEL Corporation]

372
AT90USB64/128
Figure 29-1. Parallel Programming
Note:
Table 29-6.
Table 29-7.
BS2
0
0
1
1
Programming Mode
Signal Name in
RDY/BSY
PAGEL
1. Unused Pins should be left floating.
DATA
BS1
XA0
XA1
BS2
WR
BS1
0
1
0
1
OE
Pin Name Mapping
BS2 and BS1 Encoding
Flash /
EEPROM
Address
Low Byte
High Byte
Extended High
Byte
Reserved
Pin Name
RDY/BSY
PB7-0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
PA0
PAGEL
+12 V
BS2
BS1
XA0
XA1
WR
OE
Flash Data
Loading /
Reading
Low Byte
High Byte
Reserved
Reserved
I/O
I/O
(1)
O
I
I
I
I
I
I
I
PD1
PD2
PD3
PD4
PD5
PD6
RESET
XTAL1
GND
PD7
PA0
Function
0: Device is busy programming, 1: Device is
ready for new command.
Output Enable (Active low).
Write Pulse (Active low).
Byte Select 1.
XTAL Action Bit 0
XTAL Action Bit 1
Program Memory and EEPROM data Page Load.
Byte Select 2.
Bi-directional Data bus (Output when OE is low).
PB7 - PB0
Fuse
Programming
Low Byte
High Byte
Extended Byte
Reserved
AVCC
VCC
+5V
+5V
DATA
Reading Fuse
and Lock Bits
Fuse Low Byte
Lockbits
Extended Fuse
Byte
Fuse High Byte
7593A–AVR–02/06