P89LPC9351FA,529 NXP Semiconductors, P89LPC9351FA,529 Datasheet - Page 49

• Manufacturer Part Number: P89LPC9351FA,529
• Description: IC 80C51 MCU FLASH 8K 28-PLCC
• Manufacturer: NXP Semiconductors
• Series: LPC900r

Specifications of P89LPC9351FA,529

• Program Memory Type: FLASH
• Program Memory Size: 8KB (8K x 8)
• Package / Case: 28-PLCC
• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 18MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 26
• Eeprom Size: 512 x 8
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 2.4 V ~ 3.6 V
• Data Converters: A/D 8x8b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: P89LPC
• Core: 80C51
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: I2C, SPI, UART
• Maximum Clock Frequency: 18 MHz
• Number Of Programmable I/os: 23
• Number Of Timers: 2
• Operating Supply Voltage: 2.4 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit, 8 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: OM11004 - KIT IAR KICKSTART LPC935568-1758 - BOARD EVAL FOR LPC93X MCU FAMILY
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 935287627529

NXP Semiconductors
P89LPC9331_9341_9351_9361
Product data sheet
Fig 16. SPI block diagram
SPI STATUS REGISTER
BY 4, 16, 64, 128
CPU clock
DIVIDER
SELECT
SPI CONTROL
7.25 SPI
The P89LPC9331/9341/9351/9361 provides another high-speed serial communication
interface: the SPI interface. SPI is a full-duplex, high-speed, synchronous communication
bus with two operation modes: Master mode and Slave mode. Up to 3 Mbit/s can be
supported in either Master mode or Slave mode. It has a Transfer Completion Flag and
Write Collision Flag Protection.
The SPI interface has four pins: SPICLK, MOSI, MISO and SS:
Typical connections are shown in
•
•
SPICLK, MOSI and MISO are typically tied together between two or more SPI
devices. Data flows from master to slave on MOSI (Master Out Slave In) pin and flows
from slave to master on MISO (Master In Slave Out) pin. The SPICLK signal is output
in the Master mode and is input in the Slave mode. If the SPI system is disabled, i.e.,
SPEN (SPCTL.6) = 0 (reset value), these pins are configured for port functions.
SS is the optional slave select pin. In a typical configuration, an SPI master asserts
one of its port pins to select one SPI device as the current slave. An SPI slave device
uses its SS pin to determine whether it is selected.
interrupt
request
SPI clock (master)
SPI
MSTR
SPEN
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 10 January 2011
internal
data
bus
8-bit microcontroller with accelerated two-clock 80C51 core
SPI CONTROL REGISTER
P89LPC9331/9341/9351/9361
8-BIT SHIFT REGISTER
READ DATA BUFFER
CLOCK LOGIC
Figure 17
clock
through
Figure
19.
M
M
M
S
S
S
CONTROL
LOGIC
PIN
© NXP B.V. 2011. All rights reserved.
002aaa900
MISO
P2.3
MOSI
P2.2
SPICLK
P2.5
SS
P2.4
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