WT5082
Pager Controller with POCSAG Decoder、12KB SRAM、
eltrend
296KB ROM and 56x32/56x33 LCD Driver
v.0.97
PIN FUNCTION (128-pin LQFP)
PIN NAME
COM1~COM15
SEG0~SEG31
GND
PIN#
1~15
16~47
48
In/Out
Output LCD common output
Output LCD segment output
FUNCTIONS
P
P
Ground
Power Source
VDD
49
SEG32~SEG55
COM31~COM16
COM32
BIAS1~BIAS4
VLCD
50~73
74~89
90
91~94
95
Output LCD segment output
Output LCD common output
Output LCD common output (for ICON)
Output LCD bias voltage output
Input
LCD voltage supply
Vpp
96
Output VRO*2
Cb
Ca
97
98
Output LCD pumping capacitor
Output LCD pumping capacitor
P14_EPI4
P15_EPI5
P20_LMP
P21_SS
99
Input
Input
I/O
EPI4, Battery low detect
100
101
102
EPI5, Battery remove detect
General I/O or Lamp output
General I/O, SS output pin for Serial I/O
or UART serial output
I/O
P22
P23_ECS
P24_ECK
103
104
105
I/O
I/O
I/O
General I/O or PLL_LE
General I/O for EEPROM CS
General I/O for EEPROM CK
& PLL CK
P25_EDI
106
I/O
General I/O for EEPROM DI
& PLL DATA
P26_EDO
P27_ RE2
107
108
I/O
I/O
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
P06_RDY
P01_RE1
109
110
I/O
Output RF control signal 1 output (quick charge)
or MOSI output pin for Serial I/O
P00_RE
P04_ RFDI
P07
111
112
113
Output RF control signal output or SCK output pin for SIO
Input
I/O
RF signal data input
General I/O port , Input port for EPI7 or PWM
signal output
WELTREND [ WELTREND SEMICONDUCTOR ]
