參數(shù)資料
型號： 71M6541G-IGT/F
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 模擬信號調(diào)理
英文描述： SPECIALTY ANALOG CIRCUIT, PQFP64
封裝： LEAD FREE, LQFP-64
文件頁數(shù)： 65/165頁
文件大小： 2208K
代理商： 71M6541G-IGT/F
v1.1
2008–2011 Teridian Semiconductor Corporation
157
6.8
Pin Descriptions
6.8.1
Power and Ground Pins
Pin types: P = Power, O = Output, I = Input, I/O = Input/Output.
The circuit number denotes the equivalent circuit, as specified under 6.8.4 I/O Equivalent Circuits.
.
Table 117: Power and Ground Pins
Pin
(64 pin)
Pin
(100-pin)
Name
Type
Circuit
Description
50
72, 80
GNDA
P
–
Analog ground: This pin should be connected directly to
the ground plane.
42
62
GNDD
P
–
Digital ground: This pin should be connected directly to
the ground plane.
53
85
V3P3A
P
–
Analog power supply: A 3.3 V power supply should be
connected to this pin. V3P3A must be the same
voltage as V3P3SYS.
45
69
V3P3SYS
P
–
System 3.3 V supply. This pin should be connected to a
3.3 V power supply.
41
61
V3P3D
O
13
Auxiliary voltage output of the chip. In mission mode,
this pin is connected to V3P3SYS by the internal
selection switch. In BRN mode, it is internally
connected to VBAT. V3P3D is floating in LCD and
sleep mode. A 0.1 F bypass capacitor to ground
must be connected to this pin.
40
60
VDD
O
–
The output of the 2.5V regulator. This pin is powered
in MSN and BRN modes. A 0.1 F bypass capacitor to
ground should be connected to this pin.
57
89
VLCD
O
–
The output of the LCD DAC. A 0.1 F bypass
capacitor to ground should be connected to this pin.
46
70
VBAT
P
12
Battery backup pin to support the battery modes (BRN,
LCD). A battery or super-capacitor is to be connected
between VBAT and GNDD. If no battery is used,
connect VBAT to V3P3SYS.
47
71
VBAT_RTC
P
12
RTC and oscillator power supply. A battery or super-
capacitor is to be connected between VBAT and
GNDD. If no battery is used, connect VBAT_RTC to
V3P3SYS.
相關(guān)PDF資料
PDF描述
71M6541F-IGT/F SPECIALTY ANALOG CIRCUIT, PQFP64
71M6543F-IGT/F SPECIALTY ANALOG CIRCUIT, PQFP100
71M6543H-IGTR/F SPECIALTY ANALOG CIRCUIT, PQFP100
71M6543F-IGTR/F SPECIALTY ANALOG CIRCUIT, PQFP100
71M6543H-IGT/F SPECIALTY ANALOG CIRCUIT, PQFP100
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