參數(shù)資料
型號(hào): MAXQ2000
廠商: Maxim Integrated Products, Inc.
英文描述: Low-Power LCD Microcontroller
中文描述: 低功耗LCD微控制器
文件頁數(shù): 11/39頁
文件大?。?/td> 1798K
代理商: MAXQ2000
M
Low-Power LCD Microcontroller
____________________________________________________________________
11
Pin Description (continued)
PIN
TQFN
QFN
NAME
FUNCTION
G e n e a Pu p o s e Di g t a I O T y p e D Po LC D Se g m e n D v e Ou p u Ex e n a Ed g e
Se e c a b e I n e u p
. Thi s p or functi ons as b oth b d ecti onal I/O p ns and LC D seg m ent- d ve
outp uts. Al p or p ns ar e d efaul ed as i np ut w h w eak p ul up after a r eset. The p or p ad s can b e
confi g ur ed as an exter nal i nter up for p ns 7 to 4. If the exter nal i nter up i s enab ed the LC D functi on
on the associ ated p n i s d sab ed S etti ng the P C F0 b enab es the LC D for al p ns on thi s p or and
d sab es the g ener al p ur p ose I/O functi on on al p ns.
It is possible to mix the LCD and interrupt functions on the same port. To do this, the interrupt
enable must be established prior to setting the PCF0 bit. Care must be taken not to enable the
external interrupt while the LCD is in normal operational mode, as this could result in potentially
harmful contention between the LCD controller output and the external source connected to the
interrupt input.
56-PIN
68-PIN
PORT
49
58
P0.0
50
59
P0.1
51
60
P0.2
52
61
P0.3
53
62
P0.4
54
63
P0.5
55
64
P0.6
56
65
P0.7
Ex p o s e d Pa d d e
E xp osed p ad d e i s on the und er si d e of the p ackag e. It shoul d b e l eft unconnected
ALTERNATE FUNCTIONS
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
INT0
INT1
INT2
INT3
49–56
58–65
P0.0–P0.7;
SEG0–
SEG7;
INT0–INT3
EP
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