Nfl n n n, J1_j1____ l_n, N_fl – Sharp MZ-3500 User Manual
Page 84: N n n n_ _ _ _ _ _ _ _ _ _ _ _ _ n_ _ _ fl_ _ _ fl
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MZS500
10-2. Key search timing
Single key entry
Key
Bounding
STROBE
RETURN
n n n n_ _ _ _ _ _ _ _ _ _ _ _ _ n_ _ _ fl_ _ _ fl
1 Strobe ■<—5.5ms—M—Sms
______ n_____ n_____ n_____ n_
15ms
DATA OUT
Two key entry
Key 1
"V
Key 2
STROBE
n
fl n n n
RET
J
1
_n_fl
Jl
<
—5.5ms—H—6.5ms —M—5ms —M----------- 15ms
J1_J1____ L_n______
15ms -----»«—5ms -
DATA (1)
OUT
DATA (2)
OUT -
10-3. Key serial transmission procedure
1)
Data format
Key -♦ CPU
CPU^- Key
27
2®
2®
2*
2®
2®
2'
2“
DATA
Parity AM nine bits
Command
AH 4 bits
22 2' 2“
Parity
- 91 -