PC87591L-N05 Datasheet, PDF (31/401 Pages) National Semiconductor (TI) – LPC Mobile Embedded Controller

1.0 Introduction (Continued)
External Keyboard External Mouse Auxiliary PS/2
Interface
Interface
Interface
32.768 KHz
Crystal
or
Clock
RTC
Battery
JTAG I/F
to
Debugger
Off-chip
Base
Memory
(Flash emul.
using SRAM)
PH
I/O
Expansion
PI
PJ
Restored
PK
Ports
PL
PM
Development
Support
V_{CC NC}
R₁
NC
Configuration
Inputs
(Power-Up)
32KOUT/CLKOUT/CLK
32KX1/32KCLKIN
32KX2
V_BAT
RD
WR1-0
SEL2, SEL0
A20-0
D15-8
D7-0
LAD0-3
LFRAME
LCLK
LDRQ
SERIRQ
RESET(1-2)
LPCPD
CLKRUN
SMI
PWUREQ
ECSCI
GA20
KBRST
TMS
TCK
TDI
TDO
TINT
SEL1
RD
WR1-0
A20-0
D15-0
KBSOUT15-0
KBSIN7-0
PC87591L-N05
IOPA7-0
IOPB7-0
IOPC7-1
IOPD7-0
IOPE7-0
IOPF7-0
IOPL4-0, IOPQ3-0
EXWINTn
PFAIL
URXDn, UTXDn, USCLKn
RI1-2, RING
SWIN
TA1-2
TB1-2
PWM7-0
SCL1-2
SDA1-2
AD7-0
DA3-0
SELIO
CLK
BRKL_RST
BST2-0
PFS
PLI
BE1,0
CBRD
ENV1
ENV0
TRIS
SHBM
BADDR0-1
AV_CC
AGND
V_DD, V_CC
GND
IOPC0
Expansion
Memory
SRAM or
Flash
Internal
Keyboard
Matrix
System
Functions
that use:
GPIO
Interrupts
USART I/F
Ring Wake-Up
On switch
Timers
ACCESS.bus
ADC Analog/
DAC Digital
Power
Supply
On Control
Figure 5. DEV Environment PC87591L-N05 System Connection Diagram
Revision 1.2
31
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