ATmega88PA Automotive Atmel Corporation, ATmega88PA Automotive Datasheet - Page 300

• Manufacturer Part Number: ATmega88PA Automotive
• Manufacturer: Atmel Corporation

300
Atmel ATmega48PA/88PA/168PA [Preliminary]
Figure 28-1. Parallel Programming
Note:
Table 28-13. Pin Name Mapping
Table 28-14. Pin Values Used to Enter Programming Mode
Signal Name in
Programming Mode
RDY/BSY
OE
WR
BS1
XA0
XA1
PAGEL
BS2
DATA
V
PAGEL
CC
XA1
XA0
BS1
Pin
- 0.3V < AV
RDY/BSY
PAGEL
+12 V
CC
BS2
BS1
XA0
XA1
WR
OE
< V
{PC[1:0]: PB[5:0]}
CC
Pin Name
Prog_enable[3]
Prog_enable[2]
Prog_enable[1]
Prog_enable[0]
+ 0.3V, however, AV
PD1
PD2
PD3
PD4
PD5
PD6
PD7
PC2
Symbol
PD1
PD2
PD3
PD4
PD5
PD6
RESET
XTAL1
GND
PD7
PC2
PC[1:0]:PB[5:0]
I/O Function
I/O Bi-directional Data bus (Output when OE is low)
O
I
I
I
I
I
I
I
CC
0: Device is busy programming, 1: Device is
ready for new command
Output Enable (Active low)
Write Pulse (Active low)
Byte Select 1 (“0” selects Low byte, “1” selects
High byte)
XTAL Action Bit 0
XTAL Action Bit 1
Program memory and EEPROM Data Page
Load
Byte Select 2 (“0” selects Low byte, “1” selects
2’nd High byte)
should always be within 4.5 - 5.5V
AVCC
VCC
+4.5 - 5.5V
+4.5 - 5.5V
Value
DATA
0
0
0
0
9223B–AVR–09/11