參數(shù)資料
型號(hào)： M37532
廠商： Mitsubishi Electric Corporation
英文描述： Single Chip 8 Bits CMOS Microcomputer(8位單片機(jī))
中文描述： 單芯片的CMOS 8位單片機(jī)（8位單片機(jī)）
文件頁(yè)數(shù)： 22/50頁(yè)
文件大?。?/td> 524K
代理商： M37532
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
7532 Group
MITSUBISHI MICROCOMPUTERS
22
Universal serial bus (USB) mode
By setting bits 7 and 6 of the serial I/O1 control register (address
001A
16
) to “11”, the USB mode is selected.
This mode conforms to “Low Speed device” of USB Specification
1.0. In this mode serial I/O1 interrupt have 5 sources; USB in and
out token receive, USB reset, suspend, and resume. The USB
Fig. 25 USB transceiver block diagram
status/UART status register functions as the USB status register
(USBSTS).There is the USBV
REFOUT
pin for the USB reference
voltage output, and a D-line with 1.5 k
external resistor can be pull
up. USB mode block and USB transceiver block show in figures 24
and 25.
Fig. 24 USB mode block diagram
X
IN
Address 0018
16
Receive shift register
RxRDY
Receive buffer register
SYNC decoder
PID decoder
RxPID
OPID
PIDE
coAddress
USBA
End pointer
decoder
RxEP
CRC check
CRCE
Reset interrupt request
Suspend interrupt request
Resume interrupt request
Token interrupt request
EOP
NRZI,
BSTFE
detection
Digital
6 MHz
traUSB
NRZI,
Data bus
Data bus
Address 0018
16
Transmit shift register
TxRDY
Transmit buffer register
EP0BYTE
SYNC, PID
generating unit
EP0PID
CRC encoder
EOP generating unit
USB transmit unit
P1
0
/D-
P1
1
/D+
Differential input and
Output data and
1.5 MHz
Serial I/O1 control register
MOD0
MOD1
USB reference
power source voltage
USB control register
USBV
REFOUT
output valid flag
(initial value “0”)
Output enable signal
Voltage input
Output amplifier
USBV
REFOUT
D+/D-
output amplifier
Internal D- output signal
Internal D+ output signal
D-
D+
Suspend
OE
(internal signal)
Signal for function stop
Output enable signal
-
+
Differential input
Single end input
Single end input
Voltage input
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