EM32117Q Ver la hoja de datos (PDF) - ELAN Microelectronics
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EM32117Q Datasheet PDF : 21 Pages
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EM32117
16 DIGIT LCD DRIVER WITH CHECK TIME FUNCTION
Preliminary
∗ Keypad,SDO format and LCD display reference table:
Keypad
bit5
bit4 bit3
bit2 bit1 bit0
Display
1
0
0
0
0
0
1
1
2
0
3
0
4
0
5
0
6
0
7
0
8
0
9
0
0
0
"*"/T
0
#
0
P
0
*/"T"
0
ST
1
HOLD
1
HF
1
Page
1
A
1
F
1
(Lock state)
1
MUTE
1
Note 3
1
EM1~EM3
1
M1~M40
1
RD
1
SAVE
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
0
1
0
1
0
1
0
1
0
1
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
1
0
1
1
0
1
0
1
1
1
1
0
0
0
0
0
1
0
1
1
0
1
0
1
1
0
0
0
0
0
1
1
0
1
1
1
1
0
0
0
1
0
1
1
0
1
0
1
0
1
1
0
2
1
3
0
4
1
5
0
6
1
7
0
8
1
9
0
0
1
0
1
P
0
0
STORE
0
HOLD
0
Speaker
0
PAGE
0
A
1
clear all display
1
Lock
0
MUTE
1
ALARM
0
MEMORY
0
MEMORY
1
RD
0
SAVE
Note:
1. Flash key will be treated as "clear LCD panel" command.
2. When lock condition establish.
3. MUTE and ALARM indicators will toggle with each received SDI code.
4. Any invalid data will be ignored by the EM32117.
• General flag display function. EM32117 provide General Flag Icon, when GF pin pull "high", then "GF" Icon
will be displayed. GF pin pull "low", the "GF" Icon will blank. The "GF" Icon can identify by user for special
distinguishment.
FUNCTION DESCRIPTION
Operation Modes and System States
Depending on which state the EM32117 is in, the system will operate in one of two modes, namely, RTC mode
and Stop-watch mode. In the State 1, as defined by the State-diagram in figure 4, the system operates in Real-
Time Clock mode, otherwise, the system operates in Stop-Watch mode. The flow chart is as follows:
* This specification are subject to be changed without notice.
3.17.1999 5
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