ATmega32C1 Automotive Atmel Corporation, ATmega32C1 Automotive Datasheet - Page 321

• Manufacturer Part Number: ATmega32C1 Automotive
• Manufacturer: Atmel Corporation

Specifications of ATmega32C1 Automotive

• Flash (kbytes): 32 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: 27
• Ext Interrupts: 27
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Uart: 1
• Can: 1
• Lin: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 11
• Adc Resolution (bits): 10
• Adc Speed (ksps): 125
• Analog Comparators: 4
• Resistive Touch Screen: No
• Dac Channels: 1
• Dac Resolution (bits): 10
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 2
• Eeprom (bytes): 1024
• 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: 2
• Output Compare Channels: 4
• Input Capture Channels: 1
• Pwm Channels: 4
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

26.7
7647G–AVR–09/11
SPI Timing Characteristics
See
Table 26-4.
Note:
Figure 26-3. SPI Interface Timing Requirements (Master Mode)
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
Figure 26-3
(Data Output)
In SPI Programming mode the minimum SCK high/low period is:
- 2 t
- 3 t
(Data Input)
(CPOL = 0)
(CPOL = 1)
SS high to tri-state
CLCL
CLCL
SCK to out high
SCK high/low
SCK to SS high
SS low to SCK
MISO
MOSI
Rise/Fall time
Rise/Fall time
SCK high/low
SS low to out
Description
SCK
SCK
SCK period
SCK period
Out to SCK
SCK to out
SCK to out
SPI Timing Parameters
SS
for f
for f
Setup
Setup
and
Hold
Hold
CK
CK
Figure 26-4
< 12MHz
>12MHz
(1)
6
4
MSB
5
MSB
for details.
Master
Master
Master
Master
Master
Master
Master
Master
Mode
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Atmel ATmega16/32/64/M1/C1
7
4 • t
2 • t
Min.
10
20
20
t
ck
...
ck
ck
...
See
50% duty cycle
0.5 • t
Table 15-4
Typ.
3.6
2
10
10
10
10
15
15
10
sck
LSB
1
LSB
2
Max.
1600
3
8
ns
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