TMP92xy21FG Toshiba, TMP92xy21FG Datasheet - Page 247

• Manufacturer Part Number: TMP92xy21FG
• Manufacturer: Toshiba

Specifications of TMP92xy21FG

• Package: LQFP144
• Rom Types(m=mask,p=otp, F=flash,e=eeprom): Romless
• Rom Combinations: Romless
• Ram Combinations: 16
• Architecture: 32-bit CISC
• Usb/spi Channels: -
• Uart/sio Channels: 2
• I2c/sio Bus Channels: -
• (s)dram Controller: 1
• Adc 10-bit Channel: 4
• Da Converter: -
• Timer 8-bit Channel: 4
• Timer 16-bit Channel: 1
• Pwm 8-bit Channels: -
• Pwm 16-bit Channels: -
• Cs/wait Controller: 4
• Dual Clock: Y
• Number Of I/o Ports: 82
• Power Supply Voltage(v): 3.0 to 3.6

3.10.6
Transfer mode and Protocol Transaction
(1) Protocol outline
The UDC performs the following automatically in hardware;
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receiving by hardware into the UDC.
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Format of USB packet is shown below. This is processed during transmission and
Receive packet
Determine address endpoint transfer mode
Error process
Confirm toggle bit CRC of data receiving packet
Generate toggle bit CRC of data transmitting packet, etc
Handshake answer
SYNC field
Packet identification field (PID)
Address field
Endpoint field
Frame number field
Data field
CRC function
synchronized in the UDC.
PID type and determines the transfer type by decoding this code.
the host. The UDC compares the address with that set to the ADDRESS register. If
the address accords with it, the UDC continues the process. If the address does not
accord, the UDC ignores this token.
function. The UDC can support a maximum of seven endpoints, excluding the
control endpoint. Tokens for endpoints that are not permitted are ignored.
token that is transmitted first in each frame, and the frame number is specified.
The UDC reads the content of this field when the SOF token is received, and sets
the frame number to the FRAME register.
transfers only part of this data to FIFO, and after CRC is confirmed, an interrupt
signal is asserted and the UDC informs FIFO that data transfer is completed.
When transmitting, following IN token, FIFO data is transferred. Finally, data
CRC field is attached.
automatically compares the CRC of the received data with the attached CRC.
When transmitting, CRC is generated automatically and is transmitted. This
function may be compared by various transfer modes.
This field always comes first in each packet, and input data and internal CLK is
This field follows SYNC field in every USB packet. The UDC distinguishes the
The UDC uses this field to confirm whether or not this function was specified by
If sub-channels of more than two are needed in fields of 4 bits, it decides the
A field of 11 bits is added by the host at each frame. This field follows the SOF
This field is data of unit byte in bytes 0 to 1023. When receiving it, the UDC
5 bits CRC is attached to the token, and 15 bits CRC to the data. The UDC
92CH21-245
TMP92CH21
2009-06-19