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UM10334 PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 UM10334
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UM10334
P89LPC9301/931A1 User manual
Rev. 01 — 9 April 2009
User manual
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Keywords
P89LPC9301/931A1
Abstract
Technical information for the P89LPC9301/931A1 device




UM10334 pdf, 반도체, 판매, 대치품
NXP Semiconductors
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UM10334
P89LPC9301/931A1 User manual
Table 1. Pin description …continued
Symbol
Pin Type Description
TSSOP28
P0.2/CIN2A/
KBI2
25
I/O P0.2 — Port 0 bit 2.
I CIN2A — Comparator 2 positive input A.
I KBI2 — Keyboard input 2.
P0.3/CIN1B/
KBI3
24
I/O P0.3 — Port 0 bit 3. High current source.
I CIN1B — Comparator 1 positive input B.
I KBI3 — Keyboard input 3.
P0.4/CIN1A/
KBI4
23
I/O P0.4 — Port 0 bit 4. High current source.
I CIN1A — Comparator 1 positive input A.
I KBI4 — Keyboard input 4.
P0.5/CMPREF/
KBI5
22
I/O P0.5 — Port 0 bit 5. High current source.
I CMPREF — Comparator reference (negative) input.
I KBI5 — Keyboard input 5.
P0.6/CMP1/KBI6 20
I/O P0.6 — Port 0 bit 6. High current source.
O CMP1 — Comparator 1 output.
I KBI6 — Keyboard input 6.
P0.7/T1/KBI7
19
I/O P0.7 — Port 0 bit 7. High current source.
I/O T1 — Timer/counter 1 external count input or overflow output.
I KBI7 — Keyboard input 7.
P1.0 to P1.7
I/O, I
[1]
Port 1: Port 1 is an 8-bit I/O port with a user-configurable output type, except for
three pins as noted below. During reset Port 1 latches are configured in the input
only mode with the internal pull-up disabled. The operation of the configurable
Port 1 pins as inputs and outputs depends upon the port configuration selected.
Each of the configurable port pins are programmed independently. Refer to
Section 4.1 “Port configurations” for details. P1.2 to P1.3 are open drain when
used as outputs. P1.5 is input only.
All pins have Schmitt trigger inputs.
Port 1 also provides various special functions as described below:
P1.0/TXD
18 I/O P1.0 — Port 1 bit 0.
O TXD — Transmitter output for serial port.
P1.1/RXD
17 I/O P1.1 — Port 1 bit 1.
I RXD — Receiver input for serial port.
P1.2/T0/SCL
12
I/O P1.2 — Port 1 bit 2 (open-drain when used as output).
I/O T0 — Timer/counter 0 external count input or overflow output (open-drain when
used as output).
I/O SCL — I2C-bus serial clock input/output.
P1.3/INT0/SDA
11
I/O P1.3 — Port 1 bit 3 (open-drain when used as output).
I INT0 — External interrupt 0 input.
I/O SDA — I2C-bus serial data input/output.
P1.4/INT1
10 I/O P1.4 — Port 1 bit 4. High current source.
I INT1 — External interrupt 1 input.
UM10334_1
User manual
Rev. 01 — 9 April 2009
© NXP B.V. 2009. All rights reserved.
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UM10334
P89LPC9301/931A1 User manual
1.3 Logic symbols
VDD VSS
KBI0
KBI1
KBI2
KBI3
KBI4
KBI5
KBI6
KBI7
CLKOUT
CMP2
CIN2B
CIN2A
CIN1B
CIN1A
CMPREF
CMP1
T1
XTAL2
XTAL1
PORT 0
PORT 3
Fig 2. P89LPC9301/931A1 logic symbol
P89LPC9301/
931A1
PORT 1
TXD
RXD
T0
INT0
INT1
RST
SCL
SDA
PORT 2
MOSI
MISO
SS
SPICLK
002aae448
UM10334_1
User manual
Rev. 01 — 9 April 2009
© NXP B.V. 2009. All rights reserved.
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UM10334

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