Xerox WorkCentre Pro 412 Service Manual page 65

5-3-4-3 Pin Classification and Loading (FaxCentre F12 only)
Table describes the pin classification and loading of the signal pins. The capacitance column presents the
values used to derive the specification timing. The current columns present maximum values.
Name Pins Level Resis
AGND L
AVDD H
ALD[7:0] 8 H
CD[15:0] 16 H
CLOCK 1 H
CLK_OU 1 H
T
CS 1 L
DONE 1 H
GND 23 N/A
IBACK 1 L
I/D 1 H
ID[15:0] 16 H
IDACK 1 L
IDREQ 1 H
IFRDY 1 H
IN_OVR 1 L
INT 1 L
ISTRB 1 L
LSYNC 1 H
NC 4 ~
OBACK 1 L
OD[15:0] 16 H
ODACK 1 L
ODREQ 1 H
OFRDY 1 H
OSTRB 1 L
PLL_BYP 1 H
RA[15:0] 16 H
RAMOE 1 L
RAMWR I L
WorkCentre Pro 412, FaxCentre F12 &
WorkCentre M15/M15i
Type Abbreviation/Description
tor
~ P Analog Supply Return (Gnd.)
~ P Analog Power Supply Source
H 1/3S Alternate Data Output
H 1/3S Command Data
~ I System Clock
~ 3S PLL Clock Test Output
~ I System Clock
~ O Operation Done Flag
~ P Supply Return (Gnd.)
~ I Input Burst Active
~ I Index/Data Control
~ 1/3S
~ I Input Data Strobe
~ 3S Input Data Request
~ I Input Buffer Ready
H I Buffer Overflow Alert
~ OD Interrupt Request
~ O Input Buffer Strobe
~ O Input Data Sync
~ ~
H I Output Burst Active
~ 1/3S
H I Output Data Strobe
~ 3S Output Data Request
~ I Output Buffer Ready
~ O Output Buffer Strobe
~ I Phase Locked Loop Bypass
~ O RAM Address
~ O RAM Output Enable
~ I RAM Write Enable
3/03
Input Data
No Connect
Output Data
Circuit Description
Maximum Loading
Cap. Current (mA)
(pF)
Vol Voh
~ ~ ~
~ ~ ~
50 4 4
50 8 8
~ ~ ~
~ ~ ~
50 8 8
~ ~ ~
~ ~ ~
~ ~ ~
~ ~ ~
~ ~ ~
50 8 8
~ ~ ~
~ ~ ~
50 8 8
50 4 4
50 4 4
~ ~ ~
~ ~ ~
50 8 8
~ ~ ~
50 8 8
~ ~ ~
50 4 4
~ ~ ~
50 4 4
50 4 4
50 4 4
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