Oki Dr.63514, User Manual, Page: 92 / 101

Appendices
A-5
UCN
pin
number
Signal name Input-
Output
Function
TQFP-48
pin
number
TQFP-64
pin
number
31 P7.0/CMPIN 13 19
32 P7.1/CMPREF 14 20
33 P7.2/LDIN0 15 21
34 P7.3/LDIN1
I 4-bit input port
16 22
35 P8.0 17 23
36 P8.1 18 24
37 P8.2 19 25
38 P8.3
O 4-bit output port
20 26
39 MD O melody output pin 36 46
40 RESETB I reset input pin 35 45
41 N.C - - -
42 USR.XT I external low-speed
clock input pin
- -
43 N.C - - -
44 USR.OSC I external high-speed
clock input pin
- -
45 N.C - - -
46 HALT O monitor pin - -
47 N.C - - -
48 XT.CLK O monitor pin - -
49 N.C - - -
50 OSC.CLK O monitor pin - -
51 P9.0 - 47
52 P9.1 - 48
53 P9.2 - 49
54 P9.3
I/O 4-bit input-output pin
- 50
55 PA.0 - 63
56 PA.1 - 64
57 PA.2 - 1
58 PA.3
I/O 4-bit input-output pin
- 2
59
60
VSS(GND) I negative power supply
voltage
22 28