常用基带芯片特性一览

MTK Chipset features for customerBaseband Chip Feature List MODEM RISC Speed MCU I-Cache System D-Cache TCM MPU DSP DSP Speed System WAVETABLE Internal SRAM Page Mode Burst Mode Cellular RAM SDRAM Data Width Maximum Size Device Number A5/1 A5/2 A5/3 GEA1 GEA2 GEA3 AES DES/3DES MD5 SHA-1

MT6205B GSM ARM7TDMI 26MHz

MT6217 GPRS ARM7EJ-S 52MHz

MT6218B GPRS ARM7EJ-S 52MHz

MT6219 GPRS ARM7EJ-S 52MHz

MT6226 GPRS ARM7EJ-S 52MHz

MT6227 GPRS ARM7EJ-S 52MHz

1 52MHz 256Kb V

1 78MHz V 1Mb V V

1 78MHz V 2Mb V V

1 78MHz V 4Mb V V

1 91MHz V 2Mb V V

1 91MHz V 2Mb V V

Memory System

External Memory

8/16 bit 16MB 4 V V

8/16 bit 64MB 8 V V V V

8/16 bit 64MB 8 V V V V

8/16 bit 64MB 8 V V V V

8/16 bit 64MB 8 V V V V

8/16 bit 64MB 8 V V V V

MT6228 GPRS ARM7EJ-S 104MHz 256Kb 64Kb 1Mb V 1 104MHz V 1Mb V V V V 8/16 bit 64MB 5 V