參數(shù)資料
型號(hào): SST89V58RD2-33-I-NJE
廠商: Microchip Technology
文件頁數(shù): 17/92頁
文件大?。?/td> 0K
描述: IC MCU 8BIT 40KB FLASH 44PLCC
標(biāo)準(zhǔn)包裝: 27
系列: FlashFlex®
核心處理器: 8051
芯體尺寸: 8-位
速度: 33MHz
連通性: EBI/EMI,SPI,UART/USART
外圍設(shè)備: 欠壓檢測(cè)/復(fù)位,POR,WDT
輸入/輸出數(shù): 36
程序存儲(chǔ)器容量: 32KB(32K x 8)
程序存儲(chǔ)器類型: 閃存
EEPROM 大?。?/td> 8K x 8
RAM 容量: 1K x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 3.6 V
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 44-LCC(J 形引線)
包裝: 管件
2011 Silicon Storage Technology, Inc.
DS25087A
10/11
24
FlashFlex MCU
SST89V54RD2/RD / SST89V58RD2/RD
Not Recommended for New Designs
A Microchip Technology Company
Symbol
Function
EXTRAM
Internal/External RAM access
0: Internal Expanded RAM access within range of 00H to 2FFH using MOVX @Ri /
@DPTR. Beyond 300H, the MCU always accesses external data memory.
For details, refer to Section , “Expanded Data RAM Addressing” .
1: External data memory access.
AO
Disable/Enable ALE
0: ALE is emitted at a constant rate of 1/3 the oscillator frequency in 6 clock mode, 1/6
fOSC in 12 clock mode.
1: ALE is active only during a MOVX or MOVC instruction.
Symbol
Function
GF2
General purpose user-defined flag.
DPS
DPTR registers select bit.
0: DPTR0 is selected.
1: DPTR1 is selected.
Auxiliary Register (AUXR)
Location
76543210
Reset
Value
8EH
------
EXTRA
M
AO
xxxxxx00b
Auxiliary Register 1 (AUXR1)
Location
76543210
Reset
Value
A2H
----
GF2
0
-
DPS
xxxx00x0b
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