參數(shù)資料
型號(hào)： M37753S4CHP
元件分類： 微控制器/微處理器
英文描述： 16-BIT, 40 MHz, MICROCONTROLLER, PQFP80
封裝： PLASTIC, QFP-80
文件頁(yè)數(shù)： 4/112頁(yè)
文件大?。?/td> 1451K
代理商： M37753S4CHP
6. Functional Description
S1R72V17*** Technical Manual (Rev.1.6)
EPSON
83
If an LS device is connected, it can be referenced as line state “K.” When either state
continues for 2.5 s or more, a device connection is detected. If the connected device is an
LS device, the port is set to LS mode. When a connection is detected, the disconnection
detection function is automatically turned on.
Thereafter, if a disconnection is not detected during the debounce interval period, a
connection detected status indication (H_SIE_IntStat0.DetectCon) is issued to the firmware,
and the connection detection function and disconnection detection function are automatically
turned off. If a disconnection is detected, the disconnection detection function is
automatically turned off, and the process restarts from the connection detection phase.
6.3.9.1.3
DISABLED
This is the state where the downstream port has a device connected, with no signals sent or
received on the bus.
The LSI shifts to this state when a connection is detected in the WAIT_CONNECT state,
Chirp from an erratic device is detected in the RESET state, or a port error is detected in the
OPERATIONAL state.
The LSI shifts to this state when the host state transition execution
(H_NegoControl_0.AutoMode) is set to GoDISALBED.
In this state, the following initial settings are automatically executed.
Transaction execution function of the USB host put to immediate stop
Port set to FS mode (in HS mode before the LSI shifted to this state) or retain current
mode (in FS or LS mode)
Port set to PowerDown
Next, the following processes are automatically executed after the disconnection detection
disabled period expires:
Disconnection detection function is turned on
Disabled transition complete status (H_SIE_IntStat_1.DisableCmp) is issued
6.3.9.1.4
RESET
This is the state where a USB reset is issued to the downstream port.
When a disabled transition complete status is issued in the DISABLED state, the LSI shifts
to this state and then issues a USB reset.
In addition, if a request is made from a high-order system, the LSI can shift to this state from
whichever USB mode (OPERATIONAL, SUSPEND, or RESUME).
The LSI shifts to this state when the host state transition execution
(H_NegoControl_0.AutoMode) is set to GoRESET.
In this state, the following initial settings are automatically executed.
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