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Epson Research and Development Page 29
Vancouver Design Center
Hardware Functional Specification S1D13708
Issue Date: 02/03/07 X39A-A-001-02
4.3 Pin Descriptions
Key:
4.3.1 Host Interface
I = Input
O=Output
IO = Bi-Directional (Input/Output)
P=Power pin
PCLKI1 = CMOS/LVTTL schmitt input clock buffer
PIC = CMOS/LVTTL input buffer
PICS = CMOS/LVTTL input buffer with Schmitt input
POC8 = CMOS/LVTTL 8mA low noise output buffer
PBCC8 = CMOS/LVTTL bi-directional low noise buffer with 8mA CMOS output
PBCC8C = CMOS/LVTTL high-speed bi-directional low noise buffer with 8mA CMOS output
Hi-Z = High Impedance
POSC1 = Crystal oscillator IO cell
Table 4-3: Host Interface Pin Descriptions
Pin Name Type
PFBGA
Pin #
Cell
IO
Voltage
RESET
# State
Description
AB0 I H4 PIC IOVDD 0
This input pin has multiple functions.
• For Generic #1, this pin inputs system address bit 0 (A0).
• For Generic #2, this pin inputs system address bit 0 (A0).
• For SH-3/SH-4, this pin inputs system address bit 0 (A0).
• For MC68K #1, this pin inputs the lower data strobe (LDS#).
• For MC68K #2, this pin inputs system address bit 0 (A0).
• For REDCAP2, this pin inputs system address bit 0 (A0).
• For DragonBall, this pin inputs system address bit 0 (A0).
• For Indirect (Mode 68), this pin is tied to V
SS
.
• For Indirect (Mode 80), this pin is tied to V
SS
.
See Table 4-9: “Host Bus Interface Pin Mapping,” on page 39
for
summary.
AB[16:1] I
F4,G3,
G4,H1,
H2,H3,
J1,J2,
J3,J4,
K1,K2,
K3,K4,
L3,L4
PIC IOVDD 0
System address bus bits 16-1.
• For Generic #1, these pins input system address bits 16-1.
• For Generic #2, these pins input system address bits 16-1.
• For SH-3/SH-4, these pins input system address bits 16-1.
• For MC68K #1, these pins input system address bits 16-1.
• For MC68K #2, these pins input system address bits 16-1.
• For REDCAP2, these pins input system address bits 16-1.
• For DragonBall, these pins input system address bits 16-1.
• For Indirect (Mode 68), these pins are tied to V
SS
.
• For Indirect (Mode 80), these pins are tied to V
SS
.