參數(shù)資料
型號: ST20GP6
英文描述: MAX 7000 CPLD 256 MC 208-RQFP
中文描述: GPS處理器
文件頁數(shù): 46/116頁
文件大?。?/td> 1107K
代理商: ST20GP6
ST20-GP1
46/116
7.2
Boot ROM
When the processor boots from ROM, it jumps to a boot program held in ROM with an entry point 2
bytes from the top of memory at #7FFFFFFE. These 2 bytes are used to encode a negative jump of
up to 256 bytes down in the ROM program. For large ROM programs it may then be necessary to
encode a longer negative jump to reach the start of the routine.
7.3
Internal peripheral space
On-chip peripherals are mapped to addresses in the top half of memory bank 2 (address range
#20000000 to #3FFFFFFF). They can only be accessed by the device access instructions (see
Table 6.19). When used with addresses in this range, the device instructions access the on-chip
peripherals rather than external memory. For all other addresses the device instructions access
memory. Standard load/store instructions to these addresses will access external memory.
This area of memory is allocated to peripherals in 4K blocks, see the following memory map.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ST20-GP6 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:GPS PROCESSOR
ST20GP6CT33S 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:GPS PROCESSOR
ST20GP6CX33S 功能描述:射頻無線雜項 GPS Processor RoHS:否 制造商:Texas Instruments 工作頻率:112 kHz to 205 kHz 電源電壓-最大:3.6 V 電源電壓-最小:3 V 電源電流:8 mA 最大功率耗散: 工作溫度范圍:- 40 C to + 110 C 封裝 / 箱體:VQFN-48 封裝:Reel
ST20GP6CX33STR 功能描述:射頻無線雜項 GPS Processor RoHS:否 制造商:Texas Instruments 工作頻率:112 kHz to 205 kHz 電源電壓-最大:3.6 V 電源電壓-最小:3 V 電源電流:8 mA 最大功率耗散: 工作溫度范圍:- 40 C to + 110 C 封裝 / 箱體:VQFN-48 封裝:Reel
ST20GP6X33S 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:GPS PROCESSOR