Pin
No.
Port Part Name & Description I/O (V)
42 KI4 Key-in return 4 I 0
43 KI3 Key-in return 3 I 0
44 KI2 Key-in return 2 I 0
45 NC Pulled down to L - 0
46 NC Pulled up to H - 3.5
47 MD0 Operating mode control 0
from Flash writer
I 3.5
48 MD1 Operating mode control 1:
pulled up to H
- 3.5
49 MD2 Operating mode control 2
from Flash writer
I 0
50 NC Not connected - -
51 ROTARY 1 Volume-up detection from
Rotary encoder
I 2.5
52 ROTARY 2 Volume-down detection
from Rotary encoder
I 2.5
53 NC Not connected - -
54 NC Not connected - -
55 NC Not connected - -
56 NC Not connected - -
57 NC Not connected - -
58 FLASH CE Chip enable for Flash
memory
O 3.4
59 LCD CS LCD chip select O 3.4
60 LED R
61 NC Not connected - -
62 NC Not connected - -
63 NC Not connected - -
64 VLCD
CONT
Power control for LCD O 3.4
65 NC Not connected - -
66 NC Not connected - -
67 NC Not connected - -
68 NC Not connected - -
69 OE/RD Output enable for Flash
memory or Read strobe
for LCD
O 3.4
70 LCD WR Write strobe for LCD O 3.4
71 FLASH
WE
Write enable for Flash
memory
O 3.4
72 NC Not connected - -
73 LCD
RESET
Reset for LCD O 3.4
74 FLASH RY
/BY
Ready/Busy from Flash
memory
I 3.4
75 RST Reset I 3.5
76 NC Not connected - -
77 NC Not connected - -
15