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Revision 1.1
Jun. 7, 1999
-1-
GL640USB, GL640USB-A
Index
1.
Features.................................................................................................................. 2
2.
Description.............................................................................................................. 3
3.
IEEE 1284 Interface................................................................................................ 3
4.
Pin Configuration .................................................................................................... 4
5.
Pin Descriptions...................................................................................................... 5
6.
Block Diagram......................................................................................................... 7
7.
8-BIT RISC MCU INSTRUCTION........................................................................... 9
7.1 MEMORY ORGANIZATION
.............................................................................. 9
7.2 MCU FUNCTION REGISTERS
....................................................................... 11
7.3 I/O Register Summary
..................................................................................... 15
7.4 USB Register Summary
................................................................................... 22
8.
INSTRUCTION SET SUMMARY .......................................................................... 27
9.
Advantages of GL640USB.................................................................................... 30
10.
EPP Timing........................................................................................................... 31
10.1 EPP Burst Data Write
.................................................................................... 31
10.2 EPP Burst Data Read
.................................................................................... 32
11.
Electrical Characteristics....................................................................................... 33
11.1 Absolute Maximum Ratings (Voltages referenced to GND)
........................... 33
11.2 DC Characteristics (Digital Pins)
.................................................................... 33
11.3 DC Characteristics (VCP/D+/D-)
.................................................................... 34
11.4 Switching Characteristics
............................................................................... 35
12.
Package............................................................................................................... 36