ATMEGA164PA-MCH Atmel, ATMEGA164PA-MCH Datasheet - Page 337
![MCU AVR 16KB FLASH 20MHZ 44-VQFN](/photos/12/13/121316/313-44-qfn_sml.jpg)
ATMEGA164PA-MCH
Manufacturer Part Number
ATMEGA164PA-MCH
Description
MCU AVR 16KB FLASH 20MHZ 44-VQFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA164PA-MCH
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
16KB (8K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-VQFN Exposed Pad
For Use With
ATSTK600-TQFP44 - STK600 SOCKET/ADAPTER 44-TQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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27.7
T a b l e 2 7 - 1 6
ATmega164A/164PA/324A/324PA/644A/644PA/1284/1284P 2-wire Serial Interface meets or exceeds these requirements
under the noted conditions.
Timing symbols refer to
Table 27-16. 2-wire Serial Bus Requirements
8272A–AVR–01/10
Symbol
V
V
V
V
t
t
t
I
C
f
Rp
t
r
of
SP
i
SCL
HD;STA
(1)
IL
IH
hys
OL
i
(1)
(1)
(1)
(1)
(1)
2-wire Serial Interface Characteristics
Parameter
Input Low-voltage
Input High-voltage
Hysteresis of Schmitt Trigger Inputs
Output Low-voltage
Rise Time for both SDA and SCL
Output Fall Time from V
Spikes Suppressed by Input Filter
Input Current each I/O Pin
Capacitance for each I/O Pin
SCL Clock Frequency
Value of Pull-up resistor
Hold Time (repeated) START Condition
d e s c r i b e s t h e r e q u i r e m e n t s fo r d ev i c e s c o n n e c t e d t o t h e 2 - w i r e S e r i a l B u s . T h e
Figure
Figure 27-4. SPI Interface Timing Requirements (Slave Mode)
164A/164PA/324A/324PA/644A/644PA/1284/1284P
27-5.
(Data Output)
IHmin
(Data Input)
(CPOL = 0)
(CPOL = 1)
to V
MOSI
MISO
SCK
SCK
SS
ILmax
9
13
f
MSB
CK
MSB
(4)
14
10 pF < C
0.1V
> max(16f
3 mA sink current
f
f
f
f
SCL
SCL
SCL
SCL
CC
15
Condition
< V
≤ 100 kHz
> 100 kHz
≤ 100 kHz
> 100 kHz
b
< 400 pF
SCL
i
< 0.9V
, 250kHz)
CC
...
...
(3)
(5)
20 + 0.1C
20 + 0.1C
V
----------------------------
V
----------------------------
0.05 V
CC
CC
0.7 V
3mA
3mA
11
-0.5
Min
-10
4.0
0.6
–
–
0
0
–
0
0,4V
0,4V
CC
CC
b
b
(2)
(2)(3)
(2)(3)
10
LSB
LSB
11
V
12
0.3 V
1000ns
------------------ -
CC
300ns
--------------- -
50
Max
300
250
400
0.4
C
10
10
C
–
16
–
–
+ 0.5
b
(2)
b
CC
X
17
Units
kHz
µA
pF
ns
ns
ns
µs
µs
Ω
Ω
V
V
V
V
337
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