pc87591l-n05 National Semiconductor Corporation, pc87591l-n05 Datasheet - Page 24

• Manufacturer Part Number: pc87591l-n05
• Description: Lpc Mobile Embedded Controller
• Manufacturer: National Semiconductor Corporation

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1.0 Introduction
Configuration
(Power-Up)
32.768 KHz
Inputs
Battery
Crystal
Clock
RTC
(Continued)
or
External Keyboard
Interface
Figure 1. PC87591L-N05 System Connection Diagram
NC
NC
ENV1
ENV0
SHBM
BADDR0-1
TRIS
32KOUT/CLKOUT/CLK
32KX1/32KCLKIN
32KX2
V
LAD0-3
LFRAME
LCLK
LDRQ
SERIRQ
RESET2
LPCPD
CLKRUN
SMI
PWUREQ
ECSCI
GA20
KBRST
BAT
External Mouse
Interface
PC87591L-N05
24
URXDn, UTXDn, USCLKn
IOPL4-0, IOPQ3-0
Auxiliary PS/2
Interface
KBSOUT15-0
SEL2, SEL0
RI1-2, RING
WR0, WR1
EXWINTn
KBSIN7-0
IOPM7-0
V
RESET1
IOPC7-1
IOPD7-0
IOPK7-0
PWM7-0
IOPA7-0
IOPB7-0
IOPE7-0
IOPF7-0
IOPJ7-3
SCL1-4
SDA1-4
DD
SELIO
IOPC0
AGND
AD7-0
DA3-0
A20-8
V
D15-8
PFAIL
TB1-2
SWIN
TA1-2
AV
, V
GND
D7-0
A7-0
CORF
RD
CC
CC
GND
USART I/F
Ring Wake-Up
On switch
GPIO
Interrupts
Timers
ACCESS.bus
On Control
ADC
DAC
Expansion
Expansion
Flash and
C
Functions
Keyboard
Memory
that use:
System
1
Internal
Supply
Power
SRAM
Matrix
I/O
Analog/
Digital
Revision 1.2