pc87591l National Semiconductor Corporation, pc87591l Datasheet - Page 24

• Manufacturer Part Number: pc87591l
• Description: Lpc Mobile Embedded Controllers
• Manufacturer: National Semiconductor Corporation

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1.0 Introduction
Configuration
(Power-Up)
32.768 KHz
Figure 1. PC87591x System Connection Diagram, 128-Pin and 176-Pin Packages
Inputs
Battery
Crystal
Clock
RTC
(Continued)
or
External Keyboard
Interface
NC
NC
ENV1
ENV0
SHBM
BADDR0-1
TRIS
32KOUT/CLKOUT/CLK
32KX1/32KCLKIN
32KX2
V
LAD0-3
LFRAME
LCLK
LDRQ
SERIRQ
RESET-2
LPCPD
CLKRUN
SMI
PWUREQ
ECSCI
GA20
KBRST
BAT
External Mouse
Interface
24
PC87591x
URXD, UTXD, USCLK
Auxiliary PS/2
Interface
KBSOUT15-0
IOPD7-4,3-0
RI1-2, RING
WR0, WR1*
KBSIN7-0
EXWINTn
IOPM7-0*
IOPK7-0*
V
IOPL4-0*
IOPJ7-2*
IOPC7-1
IOPH7-0
PWM7-0
IOPA7-0
IOPB7-0
IOPE7-0
IOPF7-0
IOPJ1-0
DD
IOPI7-0
SDA1-2
SCL1-2
D15-8*
A19-8*
SELIO
IOPC0
AGND
SEL0*
AD7-0
DA3-0
PFAIL
TB1-2
SWIN
TA1-2
AV
, V
GND
D7-0
A7-0
RD
DN
DP
CC
CC
Key:
*
= Available only in
176-pin package
On Switch
USART I/F
Ring Wake-Up
GPIO
Interrupts
Timers
ACCESS.bus
On Control
ADC
DAC
Expansion
Expansion
in ‘E’& ‘S’)
Functions
Keyboard
SRAM or
(Optional
Memory
that use:
System
Internal
Supply
Power
Flash
Matrix
CPU/Remote
I/O
Analog/
Digital
Diode
Revision 1.07