CY308 Pinouts

CY308 DIP Pinout
CY308/J PLCC Pinout
CY308/Q QFP Pinout*

[CY308 DIP Pinout Diagram] Zoom In [CY308 PLCC Pinout Diagram] Zoom In [CY308 QFP Pinout Diagram] Zoom In



CY308
Dip
Pin#
CY308/J
PLCC
Pin#
CY308/Q
QFP*
Pin#
Pin Name I/O Description
- 1 39 NC   no internal connection
1 2 40 CE0 O Display Module Chip-Enable bit 0
2 3 41 CE1 O Display Module Chip-Enable bit 1
3 4 42 CE2 O Display Module Chip-Enable bit 2
4 5 43 CE3 O Display Module Chip-Enable bit 3
5 6 44 CE4 O Display Module Chip-Enable bit 4
6 7 1 CE5 O Display Module Chip-Enable bit 5
7 8 2 CE6 O Display Module Chip-Enable bit 6
8 9 3 CE7 O Display Module Chip-Enable bit 7
9 10 4 Restart I Resets CY308 when high
10 11 5 RxD I Received Serial Data line
- 12 6 NC   no internal connection
11 13 7 TxD O Transmitted Serial Data Line
12 14 8 Clock Gate I/O Selects Clock function: Hi=Run, Lo=Stop
13 15 9 IO Request/I/O Parallel handshake input; else Serial
baud select: Lo=300, Hi=2400, Z=9600
14 16 10 FPL/ O Forced parallel load output signal
15 17 11 Busy/ I/O Parallel handshake acknowledgement
16 18 12 WR/ O Write Strobe to LED module
17 19 13 RD/ O Read Strobe to LED module
18 20 14 Xtal2 I Crystal oscillator connection
19 21 15 Xtal1 I Crystal oscillator connection
20 22 16 Vss I Ground connection for CY308
- 23 17 NC   no internal connection
21 24 18 Addr0 O Display Module address bit 0
22 25 19 Addr1 O Display Module address bit 1
23 26 20 Addr2 O Display Module address bit 2
24 27 21 Addr3 O Display Module address bit 3
25 28 22 Addr4 O Display Module address bit 4
26 29 23 Addr5 I/O Display Module address bit 5
Lo=4-char module, else 8-char module
27 30 24 Clock Alarm O Clock overflow or Period indication
28 31 25 Disp Reset O Display Module reset signal
29 32 26 Reserved O do not connect
30 33 27 Clock Out O clock output, 1/6 crystal rate
- 34 28 NC   no internal connection
31 35 27 Vdd I +5v
32 36 30 D 7 I/O Parallel Data Bus bit 7 (MSB)
33 37 31 D 6 I/O Parallel Data Bus bit 6
34 38 32 D 5 I/O Parallel Data Bus bit 5
35 39 33 D 4 I/O Parallel Data Bus bit 4
36 40 34 D 3 I/O Parallel Data Bus bit 3
37 41 35 D 2 I/O Parallel Data Bus bit 2
38 42 36 D 1 I/O Parallel Data Bus bit 1
39 43 37 D 0 I/O Parallel Data Bus bit 0 (LSB)
40 44 38 Vcc (+ 5V) I +5 volt power supply

* QFP Notes:
- While the numbering scheme of the QFP pinout differs from the PLCC, the physical location of functional pins will be identical on both packages.
- The QFP package is currently only available in 1000 quantity minimums.