Oki ML421 Maintenance Manual - Page 13
USB Controller
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(4) USB Controller The USB Controller detects and controls the USB interfacee. The following shows the USB Controller access operation. Oki Data CONFIDENTIAL MPU PP0O2 2 RD PWSRELN Clockout * A0~A7 USBCS-N RD-N A0~A7 D0~D7 USBCS-N RD-N WRL-N USB Controller CE RD WR D0~D7 (Read) WRL-N D0~D7 (Write) * Clockout is provided when the original excitation is selected. 42113901 Rev.2 13 /
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42113901
Rev.2
13 /
Oki
Data
CONFIDENTIAL
(4)
USB Controller
The USB Controller detects and controls the USB interfacee.
The following shows the USB Controller access operation.
D0~D7
MPU
USBCS-N
RD-N
WRL-N
A0~A7
USB Controller
Clockout *
A0~A7
D0~D7
(Write)
USBCS-N
RD-N
WRL-N
D0~D7
(Read)
CE
WR
PO2
WRL
RD
RD
* Clockout is provided when the original excitation is selected.