參數(shù)資料
型號： R83C154DTXXX-25D
廠商： ATMEL CORP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 25 MHz, MICROCONTROLLER, CQCC44
封裝： LCC-44
文件頁數(shù)： 32/108頁
文件大小： 3682K
代理商： R83C154DTXXX-25D
3
8069R–AVR–06/2013
XMEGA A4
Not recommended for new designs -
Use XMEGA A4U series
2.
Pinout/Block Diagram
Figure 2-1.
Bock Diagram and TQFP/QFN pinout
Notes:
1. For full details on pinout and pin functions refer to ”Pinout and Pin Functions” on page 49.
2. The large center pad underneath the QFN/MLF package should be soldered to ground on the board to ensure good
mechanical stability.
INDEX CORNER
PA5
PA6
PA7
PB0
PB1
PB2
PB3
GND
VCC
PC0
PC1
12
13
14
15
16
17
18
19
20
21
22
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
1
2
3
4
5
6
7
8
9
10
11
PC2
PC3
PC4
PC5
PC6
PC7
GND
VCC
PD0
PD1
PD2
PE3
PE2
VCC
GND
PE1
PE0
PD7
PD6
PD5
PD4
PD3
PA
4
PA
3
PA
2
PA
1
PA
0
A
VCC
GND
PR1
PR0
RESET/PDI
PDI
FLASH
RAM
E2PROM
DMA
Interrupt Controller
OCD
ADC A
DAC B
AC A0
AC A1
A
Po
rt
B
Event System ctrl
T/C0:1
Port R
Power
Control
Reset
Control
Watchdog
OSC/CLK
Control
BOD
POR
RTC
EVENT ROUTING NETWORK
DATA BU S
VREF
TEMP
Port C
CPU
Po
rt
A
USAR
T0:1
TWI
SPI
T/C0:1
Port D
USAR
T0:1
SPI
T/C0
Port E
USAR
T0
TWI
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