WT5082 Ver la hoja de datos (PDF) - Weltrend Semiconductor

Número de pieza

componentes Descripción

Fabricante

WT5082

Pager Controller with POCSAG Decoder、 12KB SRAM、 296KB ROM and 56x32/56x33 LCD Driver

Weltrend Semiconductor 

eltrend

WT5082

Pager Controller with POCSAG Decoder、12KB SRAM、

296KB ROM and 56x32/56x33 LCD Driver

v.0.97

PIN FUNCTION (128-pin LQFP)

PIN NAME

COM1~COM15

SEG0~SEG31

GND

VDD

SEG32~SEG55

COM31~COM16

COM32

BIAS1~BIAS4

VLCD

Vpp

Cb

Ca

P14_EPI4

P15_EPI5

P20_LMP

P21_SS

PIN#

1~15

16~47

48

49

50~73

74~89

90

91~94

95

96

97

98

99

100

101

102

P22

103

P23_ECS

104

P24_ECK

105

P25_EDI

106

P26_EDO

107

P27_ RE2

108

P06_RDY

109

P01_RE1

110

P00_RE

111

P04_ RFDI

112

P07

113

In/Out

Output

Output

P

P

Output

Output

Output

Output

Input

Output

Output

Output

Input

Input

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

Output

Output

Input

I/O

FUNCTIONS

LCD common output

LCD segment output

Ground

Power Source

LCD segment output

LCD common output

LCD common output (for ICON)

LCD bias voltage output

LCD voltage supply

VRO*2

LCD pumping capacitor

LCD pumping capacitor

EPI4, Battery low detect

EPI5, Battery remove detect

General I/O or Lamp output

General I/O, SS output pin for Serial I/O

or UART serial output

General I/O or PLL_LE

General I/O for EEPROM CS

General I/O for EEPROM CK

& PLL CK

General I/O for EEPROM DI

& PLL DATA

General I/O for EEPROM DO

RF control signal 2 output (RF enable)

or MISO input pin for Serial I/O

General I/O or RDY input pin for Serial I/O;

EPI6 or UART Serial Input

RF control signal 1 output (quick charge)

or MOSI output pin for Serial I/O

RF control signal output or SCK output pin for SIO

RF signal data input

General I/O port , Input port for EPI7 or PWM

signal output

Share Link: