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I/O Expander LSI
Inrevium supplies I/O expanders. I/O expanders can be used to increase the number of I/Os available to a CPU. These I/O expanders range from 20 to 72 input/output ports.
Function ComparisonApplication Block Diagram


Function Comparison

Function / Product Number TE7740RPF TE7753PF
TE7754PF
TE7760PF TE7780PF TE7783APF TE7790PF
HOST I/F Pallarel 8bit 8bit 8bit 8bit 8bit -
Serial - - 3 line serial - - I2C Slave
GPIO*
(General Purpose Input/Output Port)
HOST I/F:
Pallarel Interface Mode
36Port 72Port 64Port 32Port 32Port -
HOST I/F:
Serial Interface Mode
- - 72Port - - 20Port
Conditions of Reset Input (TE7753PF)
High Output
(TE7754PF)
Low Output
High/Low Selectable Input Input Input
I/O
Function
UART 5ch
(16Byte
FIFO)
- 2ch
(8Byte
FIFO)
3ch
(8Byte
FIFO)
2ch
(16Byte
FIFO)
-
SPI 4ch
(only
2ch
32Byte
FIFO)
- - - - -
I2C(Master) 2ch - - 3ch 3ch -
PWM/Output Compare 2ch - 4ch 3ch 4ch 4ch
IR INPUT Capture - - 4ch 1ch 2ch -
Low Speed A/D Converter - - 12ch 4ch 8ch 8ch
PCM PWM - - - - 1ch 2ch
High Speed Serial - - - - 1ch -
Pulse Counter 2ch - - - - 4ch
USB1.1(Device) - - - - 1Port -
Operating Voltage 1.8V 5V 3.3V 3.3V 2.5V 3.3V
I/O Voltage 3.3V 5V 3.3V,5V
Selectable
3.3V / 5V 3.3V / 5V 3.3V / 5V
Operatg Temperature -40~
+85deg C
0~
+70deg C
-20~
+85deg C
-20~
+85deg C
0~
+70deg C
0~
+70deg C
Package 81pins PFBGA
8x8mm
100Pins QFP
16x16mm
144Pins QFP
22x22mm
80Pins QFP
14x14mm
100Pins QFP
16x16mm
48Pins QFP
9x9mm

*The some of the ports in each devices serves both GPIO and other functions.
The number of GPIO on the list defines the maximum number when such IOs assigned GPIO.

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Application Block Diagram

Vending Machine

Vending Machine


Alphabet charactor represents following notice.

R = BGA package ( The product number without "R" is provided by QFP package.)
PF= Pd Free products

Note) The alphabet circled ( ) means package option product is available to the customers.
ie. TExxxxPF(RPF) has tow package options (BGA and QFP) and both are Pb Free.

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