Datasheet

Section 1 Overview
Rev. 2.00 Sep. 28, 2009 Page 23 of 994
REJ09B0452-0200
Pin No.
Type Symbol TFP-144V BP-176V TLP-145V I/O Name and Function
FTxD 16 G1 G2 Output Transmit data output pin
FRxD 15 G4 F3 Input Receive data input pin
RI 118 D10 B9 Input Ring indicator input pin
DCD 117 A11 A10 Input Data carrier detect input pin
DSR 116 B11 C10 Input Data set ready input pin
DTR 115 C11 B10 Output Data terminal ready output
pin
CTS 114 A12 C11 Input Transmission permission
input pin
Serial
communi-
cation
interface
with FIFO
(SCIF)
RTS 113 D11 A11 Output Transmission request output
pin
LAD3 to
LAD0
124 to 121 B9, A9,
C9, D9
B7, C8, D9,
A9
Input/
Output
LPC command, address,
and data input/output pins
LFRAME 125 D8 A8 Input Input pin indicating LPC
cycle start and forced
termination of an abnormal
LPC cycle
LRESET 126 C8 D8 Input Input pin indicating LPC
reset
LCLK 127 A8 D7 Input LPC clock input pin
SERIRQ 128 D7 D6 Input/
Output
LPC serial host interrupt
(HIRQ1 to HIRQ15)
input/output pin
LSCI,
LSMI,
PME
119, 120,
129
A10, B10,
C7
C9, B8, A7 Input/
Output
LPC auxiliary output pins.
Functionally, they are
general I/O ports.
GA20 130 A7 B6 Input/
Output
GATE A20 control signal
output pin. Output state
monitoring input is possible.
LPC
Interface
(LPC)
CLKRUN 131 B7 C7 Input/
Output
Input/output pin that
requests the start of LCLK
operation when LCLK is
stopped.
LPCPD 132 D6 D5 Input Input pin that controls LPC
module shutdown.