cl-ps6700 Cirrus Logic, Inc., cl-ps6700 Datasheet - Page 10

• Manufacturer Part Number: cl-ps6700
• Description: Low-power Pc Card Controller For The Cl-ps7111
• Manufacturer: Cirrus Logic, Inc.

2. PIN DESCRIPTIONS
2.1 CL-PS7111-to-CL-PS6700 Interface Signals
The conventions used for the power sources on the CL-PS7111-to-CL-PS6700 interface are listed in
Table
Table 2-1.
a
2.1.1 Address/Data Bus Signals
Signal Type
MD[15:0] I/O
10
See
power and ground pins.
Symbol
VDDhi
pcm
Section 2.3 on page 17
2-1.
sys
PIN DESCRIPTIONS
Power Source Conventions
Source
Power
sys
Power Source
VDDhi pin
Description
Multiplexed address and data bus: The MD bus carries address information during a two-clock
address phase and data during a one- or two-clock data phase.
Address Phase: A PC Card address is a 26-bit byte address. The MD bus carries the upper 10
address bits, plus control bits during the first clock of Chip Enable (PCE_L low), and the remaining
(lower) 16 address bits during the second clock.
PCMCIA
C
system
for details on
I R R U S
L
O G I C
C
a
O N F I D E N T I A L
, N D A R
PRELIMINARY DATA BOOK v1.0
E Q U I R E D
Low-Power PC Card Controller
November 1997
CL-PS6700