参数资料
型号: 71M6541F-DB
厂商: Maxim Integrated Products
文件页数: 161/166页
文件大小: 0K
描述: DEMO BOARD 71M6541F
标准包装: 1
系列: *
71M6541D/F/G and 71M6542F/G Data Sheet
6.9.3
Digital Pins
Table 121 lists the digital pins.  Pin types: P = Power, O = Output, I = Input, I/O = Input/Output, N/C = no
connect. The circuit number denotes the equivalent circuit, as specified in 6.9.4 I/O Equivalent Circuits .
Table 121: Digital Pins
Pin
(64-pin)
4-7
Pin
(100-pin)
12–15
Name
COM0–COM3
Type
O
Circuit
5
Function
LCD Common Outputs. These four pins provide the select
signals for the LCD display.
31
30
29
28
27
45
44
43
42
41
SEGDIO0/WPULSE
SEGDIO1/VPULSE
SEGDIO2/SDCK
SEGDIO3/SDATA
SEGDIO4
26
25
24
23
39
38
37
36
SEGDIO5
SEGDIO6/XPULSE
SEGDIO7/YPULSE
SEGDIO8/DI
Multiple-Use Pins. Configurable as either LCD segment
driver or DIO. Alternative functions with proper selection of
associated I/O RAM registers are:
SEGDIO0 = WPULSE
SEGDIO1 = VPULSE
SEGDIO2 = SDCK
22-17
--
--
16-10
--
35–30
29-27
25
24–18
11–4
SEGDIO[9:14]
SEGDIO[15:17]
SEGDIO[18]
SEGDIO[19:25]
SEGDIO[28:35]
I/O
3, 4, 5
SEGDIO3 = SDATA
SEGDIO6 = XPULSE
SEGDIO7 = YPULSE
SEGDIO8 = DI
Unused pins must be configured as outputs or
terminated to V3P3/GNDD.
63-62
--
--
--
--
95-94
99–96
52
51
47
SEGDIO[44:45]
SEGDIO[40:43]
SEGDIO52
SEGDIO53
SEGDIO54
9
8
17
16
SEGDIO26/COM5
SEGDIO27/COM4
I/O
3, 4, 5
Multiple-Use Pins. Configurable as either LCD segment
driver or DIO with alternative function (LCD common
drivers).
3
3
SPI_CSZ/SEGDIO36
2
1
2
1
SPI_DO/SEGDIO37
SPI_DI/SEGDIO38
I/O
3, 4, 5
Multiple-Use Pins. Configurable as either LCD segment
driver or DIO with alternative function (SPI interface).
64
100
SPI_CKI/SEGDIO39
33
32
38
36
37
53
46
58
56
57
OPT_TX/SEGDIO51
OPT_RX/SEGDIO55
E_RXTX/SEG48
E_RST/SEG50
E_TCLK/SEG49
I/O
I/O
O
3, 4, 5
1, 4, 5
4, 5
Multiple-Use Pins, configurable as either LCD segment
driver or DIO with alternative function (optical port/UART1)
Multiuse Pins. Configurable as either emulator port pins
(when ICE_E pulled high) or LCD segment drivers (when
ICE_E tied to GND).
Rev 4
161
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