Datasheet
4
XMEGA B1 [DATASHEET]
Atmel-8330H-AVR-ATxmega64B1-128B1_datasheet–AVR–12/2014
2. Pinout/Block Diagram
Figure 2-1. Block Diagram and Pinout
Note: 1. For full details on pinout and alternate pin functions refer to “Pinout and Pin Functions” on page 54.
Digital function
Analog function / Oscillators
Programming, debug, test
External clock / Crystal pins
General Purpose I/O
Ground
LCDPower
Power
Supervision
EVENT ROUTING NETWORK
DMA
Controller
BUS
Controller
SRAMFLASH
OCD
Prog/Debug
Interface
EEPROM
Event System
Controller
Watchdog
Timer
Watchdog
Oscillator
OSC/CLK
Control
Real Time
Counter
Interrupt
Controller
DATA BUS
DATA BUS
Sleep
Controller
Reset
Controller
TEMPREF
VREF
Port R
CPU
Port A
ADC
AC0:1
Port B
ADC
AC0:1
AREF
JTAG
AREF
Port E Port D Port C
TC0:1
USART0
TWI
SPI
TC0
USART0
IRCOM
USB
LCD PWR COMSEG
Port MPort G
SEG LCD Controller
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
2
3
4
5
6
7
8
9
GND
VCC 1
100
PB0
PB1
PB2
PB3
PB6
PB7
PB4
PB5
99
98
97
96
95
94
93
92
AVCC
AGND
91
90
PA0
PA1
PA2
PA3
PA6
PA7
PA4
PA5
89
88
87
86
85
84
83
82
PR0
PR1
81
80
COM3
COM2
COM0
COM1
79
78
77
76
BIAS2
BIAS1
VLCD
CAPL
CAPH75
74
73
72
71
VCC
GND
70
69
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
SEG068
67
66
65
64
63
62
61
60
59
SEG17
SEG16
SEG15
SEG14
SEG13
SEG12
SEG11
SEG1058
57
56
55
54
53
52
51
SEG23
SEG22
SEG21
SEG20
SEG19
SEG18
45
46
47
48
49
50
PM0 / SEG31
PM1/SEG30
PM2 / SEG29
PM3 / SEG28
PM4 / SEG27
PM5 / SEG26
PM6 / SEG25
PM7 / SEG24
37
38
39
40
41
42
43
44
PG0 / SEG39
PG1 / SEG38
PG2 / SEG37
PG3 / SEG36
PG4/SEG35
PG5 / SEG34
PG6 / SEG33
PG7 / SEG32
29
30
31
32
33
34
35
36
GND
VCC
27
28
PE7
PE0
PE1
PE2
PE3
PE4
PE5
PE6
19
20
21
22
23
24
25
26
VCC
GND 17
18
PDI / RESET
PDI
15
16
PD0
PD1
PD2
12
13
14
VCC
GND 10
11
Crypto / CRC