參數(shù)資料
型號(hào)： GL600USB-B
廠商： Electronic Theatre Controls, Inc.
英文描述： USB MOUSE MICROCONTROLLER
中文描述： USB鼠標(biāo)單片機(jī)
文件頁(yè)數(shù)： 22/38頁(yè)
文件大小： 352K
代理商： GL600USB-B
22
06/19/2000
GL600USB/GL600USB-A/GL600USB-B
Revision 1.3
Figure 4-5 Data Signal Rise and Fall Time
4.7.3
The SIE manages data movement between the CPU and the transceiver. The SIE handles both transmit and
receive operations on the USB. It contains the logic used to manipulate the transceiver and the endpoint
registers.
The byte count buffer is loaded from TXCNT(TXCTL0<3~0>) during endpoint 0 transmit operations. This
same buffer is used for receive transactions to count the number of bytes received at endpoint 0 and, upon
the end of transaction, transfer the value to RXCNT(RXCTL0<3~0>).
When transmitting, the SIE handles parallel-to-serial conversion, CRC generation, NRZI encoding, and bit
stuffing. When receiving, the SIE handles sync detection, packet identification, end-of-packet detection, bit
(un)stuffing, NRZI decoding, CRC validation, and serial-to-parallel conversion. Errors detected by the SIE
include bad CRC, timeout while waiting for EOP, and bit stuffing violations.
All USB devices are required to have an endpoint 0 that is used to initialize and manipulate the device.
Endpoint 0 provides access to the device’s configuration information and allows generic USB status and
control accesses. Endpoint 0 can receive and transmit data. Both receive and transmit data share the same
8-byte Endpoint 0 FIFO, FFDAT0. Received data may overwrite the data previously in the FIFO.
Endpoint 1 is of transmit only. This endpoint is used to transmit HID report data to host.
4.8
INSTRUCTION SET SUMMARY
4.8.1
Operand Field Descriptions
Field
r
A
i
b
4.8.2
Instruction Set
Mnemonic,
Operands
Arithmetic Operations
ADDAR r, A
Add r and A, r <- r + A
ADDAR A, r
Add A and r, A <- A + r
ADDAI i
Add A and i, A <- A + i
INCR r
Increment r, r <- r +1
INCR A, r
Increment r, A <- r + 1
INCRSZ r
Increment r, r <- r +1, skip if (r = 0)
INCRSZ A, r
Increment r, A <- r +1, skip if (A = 0)
SUBAR r, A
Subtract A from r, r <- r - A
SUBAR A, r
Subtract A from r, A <- r - A
SUBIA i
Subtract A from i, A <- i - A
Serial Interface Engine (SIE)
Description
Register address
Accumulator
Immediate data
Bit address within a 8-bit register
Description
Cycles
Flags
Affected
1
1
1
1
1
1 or 2
1 or 2
1
1
1
CA, HC, ZO
CA, HC, ZO
CA, HC, ZO
ZO
ZO
CA, HC, ZO
CA, HC, ZO
CA, HC, ZO
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