Epson S1D13708 Manuel D’Utilisation
Page 10
Epson Research and Development
Vancouver Design Center
S1D13708
Interfacing to the Motorola RedCap2
X39A-G-014-01
Issue Date: 01/11/06
3 S1D13708 Host Bus Interface
The S1D13708 implements a 16-bit native REDCAP2 host bus interface which is used to
interface to the REDCAP2 processor.
interface to the REDCAP2 processor.
The REDCAP2 host bus interface is selected by the S1D13708 on the rising edge of
RESET#. After releasing reset, the bus interface signals assume their selected configu-
ration. For details on S1D13708 configuration, see Section 4.3, “S1D13708 Hardware
Configuration” on page 15.
RESET#. After releasing reset, the bus interface signals assume their selected configu-
ration. For details on S1D13708 configuration, see Section 4.3, “S1D13708 Hardware
Configuration” on page 15.
3.1 Host Bus Interface Pin Mapping
The following table shows the functions of each Host Bus Interface signal.
Table 3-1: Host Bus Interface Pin Mapping
S1D13708 Pin Names
REDCAP2
AB[16:0]
A[16:0]
DB[15:0]
D[15:0]
WE1#
EB0
M/R#
A17
CS#
REDCAP2 Internal Chip
Select
CLKI
CKO
BS#
Connected to IO V
DD
RD/WR#
R/W
RD#
OE
WE0#
EB1
WAIT#
N/A
RESET#
RST_OUT