參數(shù)資料
型號(hào)： SST89E54RD2A-40-I-NJE
元件分類： 微控制器/微處理器
英文描述： 8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQCC44
封裝： ROHS COMPLIANT, PLASTIC, MS-018AC, LCC-44
文件頁數(shù)： 5/84頁
文件大小： 1755K
代理商： SST89E54RD2A-40-I-NJE
Data Sheet
FlashFlex MCU
SST89E54RD2A/RDA / SST89E58RD2A/RDA
SST89V54RD2A/RDA / SST89V58RD2A/RDA
13
2007 Silicon Storage Technology, Inc.
S71339-01-000
1/07
3.0 MEMORY ORGANIZATION
The device has separate address spaces for program and
data memory.
3.1 Program Flash Memory
There are two internal flash memory blocks in the device.
The primary flash memory block (Block 0) has 16/32
KByte. The secondary flash memory block (Block 1) has 8
KByte. Since the total program address space is limited to
64 KByte, the SFCF[1:0] bit are used to control program
bank selection. Please refer to Figures 3-1 and 3-2 for the
program memory configuration. Program bank selection is
described in the next section.
The 16K/32K x8 primary SuperFlash block is organized as
128/256 sectors, each sector consists of 128 Bytes.
The 8K x8 secondary SuperFlash block is organized as 64
sectors, each sector consists also of 128 Bytes.
For both blocks, the 7 least significant program address bits
select the byte within the sector. The remainder of the pro-
gram address bits select the sector within the block.
FIGURE
3-1: Program Memory Organization for 16 KByte SST89x54RDxA
1339 F02.0
External
64 KByte
EA# = 0
FFFFH
0000H
16 KByte
Block 0
EA# = 1
SFCF[1:0] = 10, 11
FFFFH
0000H
8 KByte
Block 0
8 KByte
Block 1
8 KByte
Block 1
EA# = 1
SFCF[1:0] = 00
FFFFH
2000H
3FFFH
4000H
DFFFH
E000H
DFFFH
E000H
3FFFH
4000H
0000H
1FFFH
Not
Accessible
Not
Accessible
Not
Accessible
8 KByte
Block 1
EA# = 1
SFCF[1:0] = 01
FFFFH
3FFFH
4000H
0000H
16 KByte
Block 0
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SST89E54RD2RD 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
SST89E54RD2-RD 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
SST89E54RD-33-C-PIE 功能描述:8位微控制器 -MCU 24KB+1KB 33MHz RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
SST89E54RD-40-C-PI 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
SST89E54RD-40-C-PIE 功能描述:8位微控制器 -MCU 24KB+1KB 40MHz RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
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