XE8802MI035LF Semtech, XE8802MI035LF Datasheet - Page 170
XE8802MI035LF
Manufacturer Part Number
XE8802MI035LF
Description
IC DAS 16BIT FLASH 8K 100-LQFP
Manufacturer
Semtech
Datasheet
1.XE8802MI035LF.pdf
(193 pages)
Specifications of XE8802MI035LF
Applications
Sensing Machine
Core Processor
RISC
Program Memory Type
FLASH (22 kB)
Controller Series
XE8000
Ram Size
1K x 8
Interface
SPI, UART
Number Of I /o
36
Voltage - Supply
2.4 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
100-LQFP
For Use With
XE8000MP - PROG BOARD AND PROSTART2 CARD
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
XE8802MI035LF
Manufacturer:
TI
Quantity:
8 700
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19.7.2
When configured as a digital I/O, the logical ‘1’ on the pins pad_lcd_io[31:0] is identical to V3. For a part of the
pad_lcd_io[31:0] pins, the V3 connection is not made inside the circuit but has to be done externally by connecting
the pins pad_vgen_v3, pad_lcd_vr1 and pad_lcd_vr2 together. This feature allows for the use of different voltages
on V3 for the LCD display and for I/O parallel pins. Table 19-28 shows the partitioning of the pins. The voltages that
can be applied on pad_vgen_v3, pad_lcd_vr1, pad_lcd_vr2 and VBAT are completely independent from each
other.
© Semtech 2006
Different Voltages for V3 of LCD and Digital I/O
Figure 19-21. Sharing LCD driver (1:4 mux) and digital I/O with V3 ≠ logic ‘1’
VGEN
1.2V voltage
reference
Table 19-28. V3 connection of the different pad_lcd_io pins
pad_lcd_com0
pad_lcd_com1
pad_lcd_io[31:12]
pad_lcd_io[11:4]
pad_lcd_io[3:0]
pad_lcd_io[29:12]
pad_lcd_io[30]
pad_lcd_io[31]
pad_lcd_com1
pad_lcd_com0
pad_lcd_io[11:4]
pad_vgen_vb
pad_vgen_v3
pad_vgen_v2
pad_vgen_v1
pad_vgen_va
pad_lcd_io[3:0]
pad_lcd_vr2
pad_lcd_vr1
vdd1 voltage domain
vdd2 voltage domain
vbat
vss
XE8802 Sensing Machine Data Acquisition MCU
pin
SEGMENTS[17:0]
C
lcd1
COM3
COM2
COM1
COM0
19-26
C
vbat
vdd1
vdd2
lcd2
V3 connection
pad_vgen_v3
pad_lcd_vr1
pad_lcd_vr2
C
with ZoomingADC™ and LCD driver
lcd3
vdd
io[3:0]
vdd
io[7:0]
C
aux
LCD DISPLAY
EXTERNAL
CIRCUIT
EXTERNAL
CIRCUIT
vss
vss
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