參數(shù)資料
型號: M37536E8SP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PDIP42
封裝: 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-42
文件頁數(shù): 14/46頁
文件大?。?/td> 660K
代理商: M37536E8SP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
7536 Group
MITSUBISHI MICROCOMPUTERS
20
Universal serial bus (USB) mode
By setting bits 7 and 6 of the serial I/O1 control register (address
001A16) 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 6 sources; USB in and
out token receive, USB reset, suspend, and resume. The USB/UART
Fig. 23 USB transceiver block diagram
status register (address 001916) functions as the USB status register
(USBSTS).There is the USBVREFOUT 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 22 and
23.
Fig. 22 USB mode block diagram
XIN
Address 001816
Receive shift register
RxRDY
Receive buffer register
SYNC decoder
PID decoder
RxPID
OPID
PIDE
Address
comparative unit
USBA
Endpointer
decoder
RxEP
CRC check
CRCE
Reset interrupt request
Suspend interrupt request
Resume interrupt request
Token interrupt request
EOP
NRZI,
bit stuffing decoder
BSTFE
Bus state
detection
Digital
PLL
6 MHz
USB
transceiver
NRZI,
bit stuffing encoder
Data bus
Address 001816
Transmit shift register
TxRDY
Transmit buffer register
EP0BYTE
EP1BYTE
SYNC, PID
generating unit
EP0PID
EP1PID
CRC encoder
EOP generating unit
USB transmit unit
P10/D-
P11/D+
Differential input and
Single end input
Output data and
I/O control
1.5 MHz
Serial I/O1 control register
MOD0
MOD1
USB reference
power source voltage
USB control register
USBVREFOUT output valid flag
(initial value “0”)
Output enable signal
Voltage input
Output amplifier
USBVREFOUT
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
Voltage input
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