参数资料
型号: SST89V54RD2-33-C-NJE
厂商: Microchip Technology
文件页数: 15/92页
文件大小: 0K
描述: IC MCU 8BIT 24KB FLASH 44PLCC
标准包装: 26
系列: FlashFlex®
核心处理器: 8051
芯体尺寸: 8-位
速度: 33MHz
连通性: EBI/EMI,SPI,UART/USART
外围设备: 欠压检测/复位,POR,WDT
输入/输出数: 36
程序存储器容量: 16KB(16K x 8)
程序存储器类型: 闪存
EEPROM 大小: 8K x 8
RAM 容量: 1K x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 3.6 V
振荡器型: 外部
工作温度: 0°C ~ 70°C
封装/外壳: 44-LCC
包装: 管件
2011 Silicon Storage Technology, Inc.
DS25087A
10/11
22
FlashFlex MCU
SST89V54RD2/RD / SST89V58RD2/RD
Not Recommended for New Designs
A Microchip Technology Company
Symbol
Function
EA
Global Interrupt Enable.
0 = Disable
1 = Enable
EC
PCA Interrupt Enable.
ET2
Timer 2 Interrupt Enable.
ES
Serial Interrupt Enable.
ET1
Timer 1 Interrupt Enable.
EX1
External 1 Interrupt Enable.
ET0
Timer 0 Interrupt Enable.
EX0
External 0 Interrupt Enable.
Symbol
Function
EBO
Brown-out Interrupt Enable.
1 = Enable the interrupt
0 = Disable the interrupt
Symbol
Function
PPC
PCA interrupt priority bit
PT2
Timer 2 interrupt priority bit
PS
Serial Port interrupt priority bit
PT1
Timer 1 interrupt priority bit
PX1
External interrupt 1 priority bit
PT0
Timer 0 interrupt priority bit
PX0
External interrupt 0 priority bit
Interrupt Enable (IE)
Location
76543210
Reset
Value
A8H
EA
EC
ET2
ES
ET1
EX1
ET0
EX0
00H
Interrupt Enable A (IEA)
Location
76543210
Reset
Value
E8H
-
EBO
-
xxxx0xxxb
Interrupt Priority (IP)
Location
76543210
Reset
Value
B8H
-
PPC
PT2
PS
PT1
PX1
PT0
PX0
x0000000b
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