1-7
D0207-134
Datasheet XE88LC02 Sensing
Machine Data Acquisition MCU
with Zooming ADC and LCD driver
20
10
1
VMULT
VREG
VBAT
XOUT
VSS
XIN
AC_R(2)
AC_R(3)
AC_R(0)
AC_R(1)
AC_A(7)
AC_A(6)
AC_A(5)
AC_A(4)
AC_A(3)
AC_A(2)
AC_A(1)
AC_A(0)
TEST
NRESET
LCD_VR1
LCD_IO(4)
LCD_IO(5)
LCD_IO(6)
LCD_IO(7)
LCD_IO(8)
LCD_IO(9)
LCD_IO(10)
LCD_IO(11)
LCD_IO(12)
LCD_IO(13)
LCD_IO(14)
LCD_IO(15)
LCD_IO(16)
LCD_IO(17)
LCD_IO(18)
LCD_IO(19)
LCD_IO(20)
LCD_IO(21)
LCD_IO(22)
50
60
Figure 1-3. LQFP- 80 pin map
1.3 Pin assignment
The table below gives a short description of the different pin assignments.
Pin
Assignment
VBAT
Positive power supply
VSS
Negative power supply
VREG
Connection for the mandatory external capacitor of the voltage regulator
VPP
High voltage supply for flash memory programming (NC in ROM versions)
NRESET
Resets the circuit when the voltage is low
TEST
Sets the pin to flash programming mode
XIN/XOUT
Quartz crystal connections, also used for flash memory programming
PA(7:0)
Parallel input port A pins
PB(7:0)
Parallel I/O port B pins
PD1(7:0)
Parallel I/O port D1 pins
PD2(7:0)
Parallel I/O port D2 pins
SPI(3:0)
Serial SPI port or general purpose I/O port pins
LCD_IO(29:0)
LCD segment driver or general purpose I/O port pins
LCD_IO(31:30)
LCD segment driver or LCD back plane driver or general purpose I/O port pins
LCD_COM(1:0)
LCD back plane driver pins
LCD_VR1/LCD_VR2
LCD supply voltage
VGEN_Vx
LCD driver voltage generation pins
AC_A(7:0)
Acquisition chain input pins
AC_R(3:0)
Acquisition chain reference pins
Table 1-3. Pin assignment
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
