
NUC970 Technical Reference Manual
Publication Release Date: Dec. 15, 2015
- 51 -
Revision V1.30
NUC97
0
T
E
CHNIC
A
L
RE
F
E
RE
N
CE
MA
NUA
L
NUC972D
FxxY
NUC976D
KxxY
NUC977D
KxxY
Pin Name
Pin
Type
Description
NAND_RDY0
I
NAND flash ready/busy channel 0.
UART4_CTS
I
Clear to send input pin for UART4.
TM3_CAP
I
Enhanced TIMER capture input pin.
137
-
-
PC.14
I/O
General purpose digital I/O pin Port C Pin 14.
NAND_nWP
O
NAND flash write protect.
PWM0
O
PWM0 output pin.
138
75
75
PJ.3
I/O
General purpose digital I/O pin Port J Pin 3.
JTAG_TDO
O
JTAG test data out.
139
76
76
PJ.0
I/O
General purpose digital I/O pin Port J Pin 0.
JTAG_TCK
O
JTAG test clock.
140
77
77
PJ.1
I/O
General purpose digital I/O pin Port J Pin 1.
JTAG_TMS
O
JTAG test mode select.
141
78
78
PJ.2
I/O
General purpose digital I/O pin Port J Pin 2.
JTAG_TDI
I
JTAG test data in.
142
79
79
PJ.4
I/O
General purpose digital I/O pin Port J Pin 4.
JTAG_nTRST
O
JTAG Reset.
143
80
80
nRESET
I
External reset input: active LOW, with an internal pull-
up. Set this pin low reset to initial state.
WDT_nRST
O
Watch dog timer external reset output pin. Open-drain.
144
81
81
IO_VDD
P
MCU I/O power pin.
145
-
-
CORE_VSS
P
MCU internal core ground pin.
146
82
82
CORE_VDD
P
MCU internal core power pin.
147
-
-
DDR_VSS
P
DDR ground pin.
148
83
83
DDR_VDD
P
DDR power pin.
149
-
-
DDR_VSS
P
DDR ground pin.