ATmega88 Automotive Atmel Corporation, ATmega88 Automotive Datasheet - Page 226
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ATmega88 Automotive
Manufacturer Part Number
ATmega88 Automotive
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT90CAN128_AUTOMOTIVE.pdf
(225 pages)
2.ATMEGA168_AUTOMOTIVE.pdf
(19 pages)
3.ATMEGA168_AUTOMOTIVE.pdf
(340 pages)
4.ATMEGA88_AUTOMOTIVE.pdf
(10 pages)
Specifications of ATmega88 Automotive
Flash (kbytes)
8 Kbytes
Pin Count
32
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
12
Hardware Qtouch Acquisition
No
Max I/o Pins
23
Ext Interrupts
24
Usb Speed
No
Usb Interface
No
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)
1
Eeprom (bytes)
512
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 150
I/o Supply Class
2.7 to 5.5
Operating Voltage (vcc)
2.7 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
3
Output Compare Channels
6
Input Capture Channels
1
Pwm Channels
6
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
- AT90CAN128_AUTOMOTIVE PDF datasheet
- ATMEGA168_AUTOMOTIVE PDF datasheet #2
- ATMEGA168_AUTOMOTIVE PDF datasheet #3
- ATMEGA88_AUTOMOTIVE PDF datasheet #4
- Current page: 226 of 340
- Download datasheet (6Mb)
226
ATmega48/88/168 Automotive
Table 19-5.
Status
Code
(TWSR)
Prescaler
Bits
are 0
0x60
0x68
0x70
0x78
0x80
0x88
Status of the 2-wire Seri-
al Bus and 2-wire Serial
Interface Hardware
Own SLA+W has been
received;
ACK has been returned
Arbitration
SLA+R/W
own SLA+W has been
received; ACK has been
returned
General call address has
been
received; ACK has been
returned
Arbitration
SLA+R/W
General call address has
been received; ACK has
been
returned
Previously
with own SLA+W; data
has been received; ACK
has been returned
Previously
with own SLA+W; data
has been received; NOT
ACK has been returned
Status Codes for Slave Receiver Mode
as
as
addressed
addressed
lost
lost
Master;
Master;
in
in
To/from
TWDR
No TWDR ac-
tion or
No TWDR ac-
tion
No TWDR ac-
tion or
No TWDR ac-
tion
No TWDR ac-
tion or
No TWDR ac-
tion
No TWDR ac-
tion or
No TWDR ac-
tion
Read
byte or
Read
byte
Read
byte or
Read
byte or
Read
byte or
Read
byte
Application Software Response
data
data
data
data
data
data
ST
A
X
X
X
X
X
X
X
X
X
X
0
0
1
1
ST
O
To TWCR
0
0
0
0
0
0
0
0
0
0
0
0
0
0
TWI
NT
1
1
1
1
1
1
1
1
1
1
1
1
1
1
TW
EA
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Next Action Taken by TWI Hardware
Data byte will be received and NOT ACK
will be
returned
Data byte will be received and ACK will
be returned
Data byte will be received and NOT ACK
will be
returned
Data byte will be received and ACK will
be returned
Data byte will be received and NOT ACK
will be
returned
Data byte will be received and ACK will
be returned
Data byte will be received and NOT ACK
will be
returned
Data byte will be received and ACK will
be returned
Data byte will be received and NOT ACK
will be
returned
Data byte will be received and ACK will
be returned
Switched to the not addressed Slave
mode;
no recognition of own SLA or GCA
Switched to the not addressed Slave
mode;
own SLA will be recognized;
GCA will be recognized if TWGCE = “1”
Switched to the not addressed Slave
mode;
no recognition of own SLA or GCA;
a START condition will be transmitted
when the bus
becomes free
Switched to the not addressed Slave
mode;
own SLA will be recognized;
GCA will be recognized if TWGCE = “1”;
a START condition will be transmitted
when the bus
becomes free
7530I–AVR–02/10
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