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ML610471/472/473/Q471/Q472/Q473 User's Manual
Chapter 1 Overview
1-25
1.3.4 Handling of Unused Pins
Table 1-3 shows methods of terminating the unused pins.
Table 1-3 Termination of Unused Pins
Pin
Recommended pin handling
VPP Open
VL1
Open
VL2 Open
VL3 Open
C1, C2
Open
RESET_N Open
TEST0
Pull down(1k
Ω
to VSS)
P00
to
P03
VDD or VSS
P20, P21
Open
P35 Open
P42
to
P47 Open
P60
to
P67 Open
COM0
to
COM4 Open
SEG0
to
SEG21 Open
Note:
It is recommended to set the unused input ports and input/output ports to the inputs with pull-down resistors/pull-up
resistors or the output mode since the supply current may become excessively large if the pins are left open in the
high impedance input setting.
Summary of Contents for ML610472
Page 12: ...Chapter 1 Overview...
Page 38: ...Chapter 2 CPU and Memory Space...
Page 44: ...Chapter 3 Reset Function...
Page 48: ...Chapter 4 MCU Control Function...
Page 62: ...Chapter 5 Interrupts...
Page 82: ...Chapter 6 Clock Generation Circuit...
Page 94: ...Chapter 7 Time Base Counter...
Page 105: ...Chapter 8 Capture...
Page 114: ...Chapter 9 Timer...
Page 133: ...Chapter 10 Watchdog Timer...
Page 141: ...Chapter 11 UART...
Page 164: ...Chapter 12 Port 0...
Page 173: ...Chapter 13 Port 2...
Page 180: ...Chapter 14 Port 3...
Page 188: ...Chapter 15 Port 4...
Page 199: ...Chapter 16 Port 6...
Page 205: ...Chapter 17 RC Oscillation Type A D Converter...
Page 225: ...Chapter 18 LCD Drivers...
Page 243: ...Chapter 19 Power Supply Circuit...
Page 245: ...Chapter 20 uEASE Flash Writer System...
Page 249: ...Chapter 21 Software Development...
Page 258: ...Appendixes...
Page 280: ...Revision History...