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2.
Pin Assignment and Functions
The assignment of input/output pins for the TMP91C824, their names and functions are as
follows:
2.1
Pin Assignment Diagram
Figure 2.1 shows the pin assignment of the TMP91C824FG.
1
VREFL
AVSS
AVCC
P80/AN0
5
P81/AN1
P82/AN2
P83/AN3/
ADTRG
P84/AN4
P85/AN5
P86/AN6
10
P87/AN7
P70/SCK/OPTRX0
P71/S0/SDA/OPTTX0
P72/SI/SCL
PB0/TA0IN
15
PB1/TA1OUT
PB2/TA3OUT
PB3/INT0
PB4/INT1
PB5/INT2
20
PB6/INT3
P54/
BUSRQ
P55/
BUSAK
AM0
DVCC1
25
TMP91C824FG
QFP100
Top view
Figure 2.1 Pin Assignment Diagram (100-pin QFP)
91C824-4
TMP91C824
A11
75
A12
A13
A14
A15
P20/A16
70
P21/A17
P22/A18
P23/A19
P24/A20
P25/A21
65
DVCC2
NMI
DVSS2
P26/A22
P27/A23
60
P17/D15
P16/D14
P15/D13
P14/D12
P13/D11
55
P12/D10
P11/D9
P10/D8
D7
2008-02-20
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