Nxp Semiconductors UM10310 ユーザーズマニュアル
UM10310_1
© NXP B.V. 2008. All rights reserved.
User manual
Rev. 01 — 1 December 2008
3 of 139
NXP Semiconductors
UM10310
P89LPC9321 User manual
1.
Introduction
The P89LPC9321 is a single-chip microcontroller designed for applications demanding
high-integration, low cost solutions over a wide range of performance requirements. The
P89LPC9321 is based on a high performance processor architecture that executes
instructions in two to four clocks, six times the rate of standard 80C51 devices. Many
system-level functions have been incorporated into the P89LPC9321 in order to reduce
component count, board space, and system cost.
high-integration, low cost solutions over a wide range of performance requirements. The
P89LPC9321 is based on a high performance processor architecture that executes
instructions in two to four clocks, six times the rate of standard 80C51 devices. Many
system-level functions have been incorporated into the P89LPC9321 in order to reduce
component count, board space, and system cost.
1.1 Pin configuration
Fig 1.
TSSOP28 pin configuration
P89LPC9321FDH
002aae104
1
2
3
4
5
6
7
8
9
10
11
12
13
14
16
15
18
17
20
19
22
21
24
23
26
25
28
27
P2.0/ICB
P2.1/OCD
P0.0/CMP2/KBI0
P1.7/OCC
P1.6/OCB
P1.5/RST
V
SS
P3.1/XTAL1
P3.0/XTAL2/CLKOUT
P1.4/INT1
P1.3/INT0/SDA
P1.2/T0/SCL
P2.2/MOSI
P2.3/MISO
P2.7/ICA
P2.6/OCA
P0.1/CIN2B/KBI1
P0.2/CIN2A/KBI2
P0.3/CIN1B/KBI3
P0.4/CIN1A/KBI4
P0.5/CMPREF/KBI5
V
DD
P0.6/CMP1/KBI6
P0.7/T1/KBI7
P1.0/TXD
P1.1/RXD
P2.5/SPICLK
P2.4/SS