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PC87591L Datasheet(PDF) 42 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # PC87591L
Description  LPC Mobile Embedded Controllers
PDF  437 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87591L Datasheet(HTML) 42 Page - National Semiconductor (TI)

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2.0 Signal/Pin Description and Configuration (Continued)
www.national.com
42
Revision 1.07
2.2.1
ACCESS.bus (ACB1 and ACB2) Interface
2.2.2
Analog Interface
2.2.3
Clocks
Signal
128-Pin
LQFP
176-Pin
LQFP
I/O
Buffer
Type
Power
Well
Description
SCL2-1
125,
121
169,
163
I/O INSM/OD2
VCC ACCESS.bus Serial Clock 1 and 2 Signals.
An internal pull-up for this pin is optional.
SDA2-1
126,
122
170,
164
I/O INSM/OD2
VCC ACCESS.bus Serial Data 1 and 2 Signals.An
internal pull-up for this pin is optional.
Signal
128-Pin
LQFP
176-Pin
LQFP
I/O
Buffer
Type
Power
Well
Description
AD9-0
70-61
94-93,
90-87,
84-81
IINAD
AVCC Analog to Digital Converter Inputs.
DA3-0
76-73
102-99
O
ODA
AVCC Digital to Analog Converter Outputs.
DP
69
93
O
ODI
AVCC Diode Anode. Remote diode current source.
Connected to remote discrete diode.
DN
70
94
I
INDI
AVCC Diode Cathode. Remote diode current sink.
Connected to remote discrete diode. Must be
grounded when not used.
Signal
128-Pin
LQFP
176-Pin
LQFP
I/O
Buffer
Type
Power
Well
Description
32KCLKIN
116
158
I
INT
VPP 32.768 KHz Clock Input.
32KX1
116
158
I
INOSC
VPP 32.768 KHz Crystal Oscillator Input. Input
from external crystal oscillator circuitry. See
Figure 113 on page 356.
32KX2
118
160
O
OOSC
VPP 32.768 KHz Crystal Oscillator Output. Output
to external crystal oscillator circuitry. See
Figure 113 on page 356.
CLK
N/A
47
O
O1/2
VCC Clock Output. PC87591x Core Domain system
clock. Available in all environments, in the
176-pin package option.
CLKOUT
3
1
O
O2/4
VCC Clock Output. This pin may output either the
32.768 KHz clock or the Core Domain system
clock (CLK). CLKM bit in MCFG register
selects the output clock frequency.



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