P89LPC9351_1 © NXP B.V. 2008. All rights reserved.
Preliminary data sheet Rev. 01 — 19 November 2008 4 of 74
NXP Semiconductors
P89LPC9351
8-bit microcontroller with 8-bit ADC
4. Block diagram
Fig 1. Block diagram
ACCELERATED 2-CLOCK 80C51 CPU
8 kB
CODE FLASH
256-BYTE
DATA RAM
PORT 2
CONFIGURABLE I/Os
PORT 1
CONFIGURABLE I/Os
PORT 0
CONFIGURABLE I/Os
KEYPAD
INTERRUPT
PROGRAMMABLE
OSCILLATOR DIVIDER
CPU
clock
CONFIGURABLE
OSCILLATOR
ON-CHIP RC
OSCILLATOR
WITH CLOCK
DOUBLER
internal bus
POWER MONITOR
(POWER-ON RESET,
BROWNOUT RESET)
002aad555
UART
ANALOG
COMPARATORS
512-BYTE
AUXILIARY RAM
I
2
C-BUS
512-BYTE
DATA EEPROM
PORT 3
CONFIGURABLE I/Os
CCU (CAPTURE/
COMPARE UNIT)
P89LPC9351
WATCHDOG TIMER
AND OSCILLATOR
TIMER 0
TIMER 1
REAL-TIME CLOCK/
SYSTEM TIMER
SPI
ADC1/DAC1
(PGA1)
ADC0/TEMP
SENSOR/
DAC0 (PGA0)
P3[1:0]
P2[7:0]
P1[7:0]
P0[7:0]
TXD
RXD
SCL
SDA
T0
T1
CMP2
CIN2B
CIN2A
CMP1
CIN1A
CIN1B
OCA
OCB
OCC
OCD
ICA
AD10
AD11
AD12
AD13
DAC1
AD00
AD01
AD02
AD03
DAC0
ICB
SPICLK
MOSI
MISO
SS
CRYSTAL
OR
RESONATOR
XTAL2
XTAL1
P89LPC9351_1 © NXP B.V. 2008. All rights reserved.
Preliminary data sheet Rev. 01 — 19 November 2008 5 of 74
NXP Semiconductors
P89LPC9351
8-bit microcontroller with 8-bit ADC
5. Functional diagram
Fig 2. Functional diagram
V
DD
V
SS
PORT 0
PORT 3
TXD
RXD
T0
INT0
INT1
RST
SCL
SDA
002aad556
CMP2
CIN2B
CIN2A
CIN1B
CIN1A
CMPREF
CMP1
T1
XTAL2
XTAL1
KBI0
KBI1
KBI2
KBI3
KBI4
KBI5
KBI6
KBI7
DAC1
MOSI
MISO
SS
SPICLK
AD10
AD11
AD12
AD13
AD01
PORT 1
PORT 2
P89LPC9351
OCB
OCC
ICB
OCD
OCA
ICA
AD00
AD03
AD02
DAC0
CLKOUT
P89LPC9351_1 © NXP B.V. 2008. All rights reserved.
Preliminary data sheet Rev. 01 — 19 November 2008 6 of 74
NXP Semiconductors
P89LPC9351
8-bit microcontroller with 8-bit ADC
6. Pinning information
6.1 Pinning
Fig 3. P89LPC9351 TSSOP28 pin configuration
Fig 4. P89LPC9351 PLCC28 pin configuration
P89LPC9351FDH
002aad557
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/DAC0/AD03
P2.1/OCD/AD02
P0.0/CMP2/KBI0/AD01
P1.7/OCC/AD00
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/AD10
P0.2/CIN2A/KBI2/AD11
P0.3/CIN1B/KBI3/AD12
P0.4/CIN1A/KBI4/DAC1/AD13
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
P89LPC9351FA
002aad558
5
6
7
8
9
10
11
25
24
23
22
21
20
19
12
13
14
15
16
17
18
4
3
2
1
28
27
26
P1.6/OCB
P1.5/RST
V
SS
P3.1/XTAL1
P3.0/XTAL2/CLKOUT
P1.4/INT1
P1.3/INT0/SDA
P1.7/OCC/AD00
P0.0/CMP2/KBI0/AD01
P2.1/OCD/AD02
P2.0/ICB/DAC0/AD03
P2.7/ICA
P2.6/OCA
P0.1/CIN2B/KBI1/AD10
P0.2/CIN2A/KBI2/AD11
P0.3/CIN1B/KBI3/AD12
P0.4/CIN1A/KBI4/DAC1/AD13
P0.5/CMPREF/KBI5
V
DD
P0.6/CMP1/KBI6
P0.7/T1/KBI7
P1.2/T0/SCL
P2.2/MOSI
P2.3/MISO
P2.4/SS
P2.5/SPICLK
P1.1/RXD
P1.0/TXD

P89LPC9351FDH,518

Mfr. #:
Manufacturer:
NXP Semiconductors
Description:
Microcontrollers - MCU 8-bit Microcontrollers - MCU Enhanced LPC935
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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