pc87591l National Semiconductor Corporation, pc87591l Datasheet - Page 31

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

Revision 1.07
1.0 Introduction
Figure 3. OBD Environment PC87591x System Connection Diagram, 128-Pin and 176-Pin Packages
Configuration
(Power-Up)
32.768 KHz
Debugger
Inputs
Battery
Crystal
JTAG I/F
Clock
RTC
(Continued)
or
to
External Keyboard
V
CC
Interface
NC
R
1
32KOUT/CLKOUT/CLK
LAD0-3
32KX1/32KCLKIN
32KX2
V
LFRAME
LCLK
LDRQ
SERIRQ
RESET(1-2)
LPCPD
CLKRUN
SMI
PWUREQ
GA20
TMS
TCK
TDI
TDO
TINT
ENV1
ENV0
SHBM
BADDR0-1
TRIS
ECSCI
KBRST
BAT
External Mouse
Interface
31
PC87591x
URXD, UTXD, USCLK
Auxiliary PS/2
KBSOUT15-0
Interface
IOPD7-4,3-0
RI1-2, RING
WR0, WR1*
KBSIN7-0
EXWINTn
IOPM7-0*
IOPK7-0*
IOPL4-0*
V
IOPJ7-2*
IOPC7-1
IOPH7-0
PWM7-0
IOPA7-0
IOPB7-0
IOPE7-0
IOPF7-0
IOPJ1-0
SDA1-2
IOPI7-0
DD
SCL1-2
A19-8*
D15-8*
IOPC0
SELIO
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
Ring Wake-Up
On Control
ADC
GPIO
Interrupts
USART I/F
Timers
DAC
ACCESS.bus
Expansion
Expansion
Functions
Keyboard
in ‘E’& ‘S’)
SRAM or
that use:
(Optional
Memory
System
Internal
Supply
Matrix
Power
Flash
CPU/Remote
I/O
Analog/
Digital
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Diode