P89LPC932A1FA NXP Semiconductors, P89LPC932A1FA Datasheet - Page 52

• Manufacturer Part Number: P89LPC932A1FA
• Description: MCU 8-Bit 89LP 80C51 CISC 8KB Flash 2.5V/3.3V 28-Pin PLCC Tube
• Manufacturer: NXP Semiconductors

Specifications of P89LPC932A1FA

• Package: 28PLCC
• Device Core: 80C51
• Family Name: 89LP
• Maximum Speed: 18 MHz
• Operating Supply Voltage: 2.5|3.3 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 26
• Interface Type: I2C/SPI/UART
• Number Of Timers: 2
• Ram Size: 768 Byte
• Program Memory Size: 8 KB
• Program Memory Type: Flash
• Operating Temperature: -40 to 85 °C

NXP Semiconductors
P89LPC932A1_3
Product data sheet
Fig 22. Shift register mode timing
Fig 23. External clock timing
Fig 24. SPI master timing (CPHA = 0)
write to SBUF
output data
input data
(CPOL = 0)
(CPOL = 1)
clear RI
10.1 Waveforms
SPICLK
SPICLK
(output)
(output)
(output)
clock
(input)
MISO
MOSI
V
SS
DD
t
0.45 V
QVXH
0.5 V
t
XHDV
t
SPIF
0.2V
0.2V
valid
T
0
DD
XLXL
DD
0.1 V
t
SPIF
t
SPIDSU
master MSB/LSB out
t
XHDX
0.9 V
t
XHQX
MSB/LSB in
valid
1
t
SPIDV
t
t
t
SPICLKH
SPICLKL
SPIDH
t
Rev. 03 — 12 March 2007
SPIF
8-bit microcontroller with accelerated two-clock 80C51 core
t
valid
CHCL
2
T
SPICYC
t
t
SPICLKH
SPICLKL
t
SPIR
valid
3
t
t
SPIOH
CLCX
t
SPIR
valid
4
T
cy(clk)
t
CLCH
t
CHCX
master LSB/MSB out
valid
LSB/MSB in
5
t
SPIDV
P89LPC932A1
valid
6
002aaa907
002aaa908
valid
set TI
set RI
7
© NXP B.V. 2007. All rights reserved.
t
SPIR
002aaa906
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