Acer Travelmate 7300 Service Guide

2-64Service Guide
Table 2-7 CL-PD6832 Pin Descriptions
Pin NameDescriptionPin NumberI/OPower
SIN#
/INTD#
/ISDATSerial Interrupt Input / PCI Bus Interrupt D /
Serial IRQ Data: In PCI Interrupt Signaling
mode, this output can be used as an interrupt
output connected to the PCI bus INTD#
interrupt line. In PC/PCI Serial Interrupt
Signaling mode, this pin is the serial interrupt
input, SIN#. In External-Hardware Interrupt
Signaling mode, this pin is the IRQ vector data,
ISDAT, that is serially transmitted to...

Major Chips Description 2-65
Table 2-7 CL-PD6832 Pin Descriptions
Pin NameDescriptionPin No.
(socket
A)
Pin No.
(socket
B)
I/OPower
Socket Interface Pins
-REG/
CC/BE3#Register Access: In Memory Card Interface
mode, this output chooses between attribute
and common memory. In l/O Card Interface
mode, this signal is active (low) for non
DMA transfers and high for DMA  transfers.
In ATA mode this signal is always high.  In
CardBus mode, this pin is the command
and byte enables.112 188 I/O 2 or 3
A[25:24]/...

2-66Service Guide
Table 2-7 CL-PD6832 Pin Descriptions
Pin NameDescriptionPin No.
(socket
A)
Pin No.
(socket
B)
I/OPower
A12/
CC/BE2#PCMCIA socket address 12 output.  In
CardBus mode, this pin is the Cardbus
C/BE2# signal.97 173 I/O 2 or 3
A[11:9]/
CAD[12,9,14]PCMCIA socket address 11:9 outputs.  In
CardBus mode, these pins are the Cardbus
address/data bits 12, 9, and 14,
respectively.77, 73,
80153,
149,
155I/O 2 or 3
A8/
CC/BE1#PCMCIA socket address 8 output.  In
CardBus mode, this pin is the Cardbus...

Major Chips Description 2-67
Table 2-7 CL-PD6832 Pin Descriptions
Pin NameDescriptionPin No.
(socket
A)
Pin No.
(socket
B)
I/OPower
-IORD/
CAD13I/O Read: This output goes active (low) for
l/O reads from the socket to the CL-
PD6832.  In CardBus mode, this pin is the
CardBus address/data bit 13.78 154 I/O 2 or 3
-IOWR/
CAD15I/O Write: This output goes active (low) for
l/O writes from the CL-PD6832 to the
socket.  In CardBus mode, this pin is the
CardBus address/data bit 15.81 156 I/O 2 or 3
WP/
-IOIS16/...

2-68Service Guide
Table 2-7 CL-PD6832 Pin Descriptions
Pin NameDescriptionPin No.
(socket
A)
Pin No.
(socket
B)
I/OPower
-CE2/
CAD10Card Enable pin is driven low by the CL-
PD6832 during card access cycles to
control byte/word card access. -CE1
enables even-numbered address bytes, and
-CE2 enables odd-numbered address bytes.
When configured for 8-bit cards, only -CE1
is active and A0 is used to indicate access
of odd- or even-numbered bytes.  In
CardBus mode, this pin is the CardBus
address/data bit 1074...

Major Chips Description 2-69
Table 2-7 CL-PD6832 Pin Descriptions
Pin NameDescriptionPin No.
(socket
A)
Pin No.
(socket
B)
I/OPower
BVD1/
-STSCHG/
-RI/
-CSTSCHGBattery Voltage Detect 1 / Status Change
/ Ring Indicate: In Memory Card Interface
mode, this input serves as the BVD1
(battery-dead status) input. In I/O Card
Interface mode, this input is the -STSCHG
input, which indicates to the CL-PD6832
that the cards internal status has changed.
If bit 7 of the Interrupt and General Control
register is set...

2-70Service Guide
Table 2-7 CL-PD6832 Pin Descriptions
Pin NameDescriptionPin NumberI/OPower
Power Control and General Interface Pins
SPKR_OUTt
Speaker Output: This output can be used as a
digital output to a speaker to allow a system to
support PCMCIA  card fax/modem/voice and
audio sound output.  This output is enabled by
setting the socket’s Misc Control 1 register bit 4
to ‘1’(for the socket whose speaker signal is to
be directed from BVD2/-SPKR/-LED to this pin).
This pin is used for configuration...

Major Chips Description 2-71
Table 2-7 CL-PD6832 Pin Descriptions
Pin NameDescriptionPin NumberI/OPower
SLATCH/
SMBLCKtSerial Latch / System Management Bus
Clock: This pin serves as output pin SLATCH
when used with the serial interface of Texas
Instruments TPS2202AIDF socket power
control chip, and serves as a bidirectional pin
SMBCLK when used with Intels System
Management Bus used by Maxims socket
power control chip. This pin is open drain in the
SMB mode of operation. In this mode an
external pull up...

2-72Service Guide
2.8  Ambit T62.036.C DC-DC Converter
This T62.036.C DC-DC converter supplies multiple DC(5V, 3,3V, 12V) output to system, and also
supplies the battery charge current (0~3.5A).   The total inputs from the notebook would be limited
by the total output of 65 watts maximum.
2.8.1 Pin Diagram
2 - VDCF
4 - VDCF
6 - GND
8 - DCIN
10 - DCIN
12 - CHARGON
14 - CHARGSP
16 - GND
18 - CHARGOUT
20 - CHARGOUT
CN1
VDCF - 1
VDCF - 3
GND - 5
DCIN - 7
DCIN - 9
CHARGCL - 11
CHARGFB - 13
GND - 15
CHARGOUT -...

Major Chips Description 2-73
Table 2-8 T62.036.C Pin Descriptions
Pin NamePin TypePin No.Description
source such as docking station power supply. This level is 2
Amps per volt nominal. The source impedance is less than 1KW.
CHARGSP I 14 Analog input from the system board to limit the total current
consumed by the system from the AC adapter.  This signal shall
be compared by the module with the CHARGFB from the system
mother board and the battery charger output current adjusted
until CHARGFB does not...