P89LPC9401FBD NXP Semiconductors, P89LPC9401FBD Datasheet - Page 50

• Manufacturer Part Number: P89LPC9401FBD
• Description: IC, MCU 8BIT 80C51, LCD DRIVER, SMD
• Manufacturer: NXP Semiconductors

Specifications of P89LPC9401FBD

• Controller Family/series: (8051) 8052
• Core Size: 8bit
• No. Of I/o's: 23
• Program Memory Size: 8KB
• Ram Memory Size: 256Byte
• Cpu Speed: 18MHz
• Oscillator Type: External, Internal
• No. Of Timers: 4
• No.: RoHS Compliant

Philips Semiconductors
P89LPC9401_1
Preliminary data sheet
Fig 17. Shift register mode timing
Fig 18. External clock timing
write to SBUF
output data
input data
clear RI
10.1 Waveforms
clock
V
DD
t
0.45 V
QVXH
0.5 V
t
XHDV
0.2V
0.2V
valid
T
0
XLXL
DD
DD
0.1 V
t
XHDX
0.9 V
8-bit two-clock 80C51 microcontroller with 32 segment
t
XHQX
valid
1
Rev. 01 — 5 September 2005
t
valid
CHCL
2
valid
3
t
CLCX
valid
T
4
cy(CLK)
t
t
CLCH
CHCX
valid
5
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
valid
P89LPC9401
6
002aaa907
valid
set TI
set RI
7
002aaa906
4 LCD driver
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