
| Philips Semiconductors | User’s Manual - Preliminary - | 
GENERAL DESCRIPTION
Logic Symbols
VDD VSS
P89LPC906/907/908
| KBI4 | 
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| KBI5 | 
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 | CMPREF | 
| KBI6 | 
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 | CMP1 | 
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| CLKOUT | 
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 | XTAL2 | 
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 | XTAL1 | 


 PORT3 PORT0
PORT3 PORT0




P89  LPC906
 LPC906
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VDD VSS
KBI4
KBI5
KBI6
KBI4
KBI5
KBI6
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 | P89 | 
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| CMPREF | 
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| CMP1 | 
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 | LPC907 | 
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 | TxD | ||||
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 | VDD VSS | 
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| CIN1A | 
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 | PORT0 | 
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 | TxD | ||||||
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 | LPC908 | 
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| CMPREF | 
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 | P89 | 
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| CMP1 | 
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 | RxD | |
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PRODUCT COMPARISON
The following table highlights differences between these three devices.
| Part number | Ext crystal pins | CLKOUT output | T0 PWM output | Analog | UART | ||
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| comparator | TxD | RxD | |||||
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| P89LPC906 | X | X | - | X | - | - | |
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| P89LPC907 | - | - | X | X | X | - | |
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| P89LPC908 | - | - | - | X | X | X | |
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| 2003 Dec 8 | 8 | 
