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參數(shù)資料
| 型號： | GL640USB-A |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Pin Strip Header; No. of Contacts:36; Pitch Spacing:0.1"; No. of Rows:1; Contact Material:Copper Alloy; Contact Plating:Gold; Leaded Process Compatible:Yes; Mounting Type:PCB Straight Thru Hole; Peak Reflow Compatible (260 C):No RoHS Compliant: Yes |
| 中文描述： | 符合IEEE - 1284的USB橋接 |
| 文件頁數(shù)： | 10/39頁 |
| 文件大?。?/td> | 2027K |
| 代理商： | GL640USB-A |
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Revision 1.1
Jun. 7, 1999
-9-
GL640USB, GL640USB-A
7
7
.
.
8-BIT RISC MCU INSTRUCTION
7.1 MEMORY ORGANIZATION
The memory in the microcontroller is organized into user program memory in program ROM and
data memory in SRAM space.
Program Memory Organization
The 11-bit Program Counter (PC) is capable of addressing 2.25K x 14 of program space.
However, the program space of the GL640USB is 2K x 14. The program memory space is
divided into two functional groups: Interrupt Vectors and program code. After a reset, the
Program Counter points to location zero of the program space. After a timer interrupt, the
Program Counter points the location 0x0004 of the program space.
After Reset
→
Addres
s
0x0000 Reset Vector
0x0004 Timer Interrupt Vector
After Timer
Interrupt
→
0x0005
0x07FF
2K x 14 ROM
Figure 7-1 Program Memory Space
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| GL646 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Three-in-one Scanner Controller for USB and 1394 |
| GL646USB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Three-in-one Scanner Controller for USB and 1394 |
| GL650USB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:USB 4 PORT HUB CONTROLLER |
| GL651USB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2-PORT USB KEYBOARD HUB CONTROLLER |
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