
LC82161B-E
No.7775-6/19
Continued from preceding page.
Pin No.
Pin name
I/O
Pin type
Function
104
DVDD3
P
Digital system power supply (+3.3 V)
105
DGND
P
Digital system ground
106
AVDD3
P
Analog system power supply (+3.3 V)
107
AGND
P
Analog system ground
108
HSIN
I
3A
Handset input
109
MICIN
I
3A
Microphone input
110
VREF
O
3A
Analog block reference voltage output
111
HSOUT
O
3A
Handset output
112
SPOUT
O
3A
Speaker output
113
AVDD3
P
Analog system power supply (+3.3 V)
114
AGND
P
Analog system ground
115
PA12
B
3IC/3T4
116
PA11
B
3IC/3T4
117
PA10
B
3IC/3T4
118
PA9
B
3IC/3T4
119
PA8
B
3IC/3T4
I/O ports
120
DVDD3
P
Digital system power supply (+3.3 V)
121
DGND
P
Digital system ground
122
PA7
B
3IC/3T4
123
PA6
B
3IC/3T4
124
PA5
B
3IC/3T4
125
PA4
B
3IC/3T4
126
PA3
B
3IC/3T4
127
PA2
B
3IC/3T4
128
PA1
B
3IC/3T4
129
PA0
B
3IC/3T4
I/O ports
130
SCK/PC15
B
3IC/3O4
SIO serial clock or I/O port
131
SDI/PD0
B
3IC/3T4
SIO serial data input or I/O port
132
SDO/PC14
B
3IC/3T4
SIO serial data output or I/O port
133
IRQ3/PD3
B
3IC/3T4
External interrupt 3 or I/O port
134
IRQ2/PD2
B
3IC/3T4
External interrupt 2 or I/O port
135
IRQ1/PD1
B
3IC/3T4
External interrupt 1 or I/O port
136
CTSn2/PC0
B
3IC/3T4
USART2 clear to send signal or I/O port
137
DSRn2/PC1
B
3IC/3T4
USART2 dataset ready signal or I/O port
138
PVDD2
P
PLL power supply (+2.5 V)
139
PGND
P
PLL ground
140
RIN2
I
2A
PLL2 bias input
141
PLLI2
I
2A
PLL2 VCO input
142
PLLO2
O
2A
PLL2 charge pump output
143
RTSn2/PC8
B
3IC/3T4
USART2 request to send signal or I/O port
144
DTRn2/PC9
B
3IC/3T4
USART2 data terminal ready signal or I/O port
145
EXCK2/PC2
B
3IC/3T4
USART2 external clock input or I/O port
146
TXD2/PC10
B
3IC/3T4
USART2 serial data output or I/O port
147
RXD2/PC3
B
3IC/3T4
USART2 serial data input or I/O port
148
TRSTIN
I
3IC
JTAG reset
149
RTCK
O
3O4
JTAG synchronization clock output
150
TCK
I
3O4
JTAG clock input
151
TMS
I
3IC
JTAG mode selection
152
TDI
I
3IC
JTAG data input
153
TDO
O
3O4
JTAG data output
154
D31
B
3IC/3T4
155
D30
B
3IC/3T4
156
DVDD2
P
Digital system power supply (+2.5 V)
157
DGND
P
Digital system ground
Continued on next page.