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270
CP3BT26
AVCC
29
PWR
ADGND
90
PWR
ADVCC
89
PWR
UVCC
62
PWR
UGND
63
PWR
X2CKI
30
I
X2CKO
31
O
ENV2
SLOWCLK
34
I/O
ENV1
CPUCLK
35
I/O
ENV0
PLLCLK
36
I/O
RESET
100
I
TMS
101
I
TDI
102
I
TCK
103
I
TDO
106
O
RDY
108
O
RFDATA
68
I/O
D-
61
I/O
D+
60
I/O
SCL
81
I/O
SDA
82
I/O
ADC0
TSX+
92
I/O/HIZ 20mA+
ADC1
TSY+
93
I/O/HIZ 20mA+
ADC2
TSX-
94
I/O/HIZ 20mA+
ADC3
TSY-
95
I/O/HIZ 20mA+
ADC4
MUXOUT0
96
I/O
ADC5
MUXOUT1
97
I/O
ADC6
98
I
ADC7
ADCIN
99
I
VREFP
91
I
PB0
D0
23
GPIO
PB1
D1
22
GPIO
PB2
D2
20
GPIO
PB3
D3
19
GPIO
PB4
D4
18
GPIO
PB5
D5
16
GPIO
PB6
D6
15
GPIO
PB7
D7
14
GPIO
PC0
D8
12
GPIO
PC1
D9
11
GPIO
PC2
D10
9
GPIO
PC3
D11
8
GPIO
PC4
D12
6
GPIO
Table 94
Pin Assignments for LQFP-128 Package
Pin Name
Alternate Function(s)
Pin Numbers
Type