5
R-310AK
R-330AK
R-330AW
Pin No.
Signal
I/O
Description
33
P71
OUT
Terminal not used.
34
P70
IN
Connected to VC.
35
RESET
IN
Auto clear terminal.
Signal is input to reset the LSI to the initial state when power is applied. Temporarily set to
“L” level the moment power is applied, at this time the LSI is reset. Thereafter set at “H” level.
36-37
P81-P80
OUT
Terminal not used.
38
XIN
IN
Internal clock oscillation frequency input setting.
The internal clock frequency is set by inserting the ceramic filter oscillation circuit with
respect to XIN terminal.
39
XOUT
OUT
Internal clock oscillation frequency control output.
Output to control oscillation input of XOUT.
40
VSS
IN
Power source voltage : -5.1V.
VC voltage of power source circuit input.
41
P27
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P74 - P77 terminal while one
of G8 line keys on key matrix is touched.
42
P26
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P74 - P77 terminal while one
of G7 line keys on key matrix is touched.
43
P25
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P74 - P77 terminal while one
of G6 line keys on key matrix is touched.
44
P24
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P74 - P77 terminal while one
of G5 line keys on key matrix is touched.
45
P23
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P74 - P77 terminal while one
of G4 line keys on key matrix is touched.
46
P22
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P74 - P77 terminal while one
of G3 line keys on key matrix is touched.
47
P21
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P74 - P77 terminal while one
of G2 line keys on key matrix is touched.
48
P20
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P74 - P77 terminal while one
of G1 line keys on key matrix is touched.
49-50
P17-P16
OUT
Terminal not used.
51-62
SEG39-SEG28
OUT
Terminal not used.
63-66
SEG27-SEG24
OUT
Segment data signal.
Connected to LCD.
The relation between signals are as follows:
LSI signal (Pin No.)
LCD (Pin No.)
LSI signal (Pin No.)
LCD (Pin No.)
SEG 27 (63) ........................ S0
SEG 12 (78) .......................... S5
SEG 26 (64) ........................ S1
SEG 11 (79) .......................... S6
SEG 25 (65) ........................ S2
SEG 10 (80) .......................... S7
SEG 24 (66) ........................ S3
SEG 9 (81) ........................... S8
SEG 22 (68) ........................ S4
SEG 8 (82) ........................... S9
SEG 21 (69) ...................... S26
SEG 6 (84) ......................... S10
SEG 20 (70) ...................... S25
SEG 5 (85) ......................... S11
SEG 19 (71) ...................... S24
SEG 4 (86) ......................... S12
SEG 18 (72) ...................... S23
SEG 3 (87) ......................... S13
SEG 17 (73) ...................... S22
SEG 2 (88) ......................... S14
SEG 16 (74) ...................... S21
SEG 1 (89) ......................... S15
SEG 14 (76) ...................... S20
SEG 0 (90) ......................... S16
SEG 13 (77) ...................... S19
