参数资料
型号: SST89C58RC-40-I-TQJE
厂商: Microchip Technology
文件页数: 18/88页
文件大小: 0K
描述: IC MCU 8BIT FLASH 40TQFP
标准包装: 160
系列: FlashFlex®
核心处理器: 8051
芯体尺寸: 8-位
速度: 40MHz
连通性: EBI/EMI,I²C,SMBus,UART/USART
外围设备: 欠压检测/复位,POR,WDT
输入/输出数: 32
程序存储器容量: 32KB(32K x 8)
程序存储器类型: 闪存
EEPROM 大小: 2K x 8
RAM 容量: 1K x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 5.5 V
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 44-TQFP
包装: 托盘
2011 Silicon Storage Technology, Inc.
DS25100A
12/11
25
FlashFlex MCU
SST89C58RC
Data Sheet
A Microchip Technology Company
Symbol
Function
SMBEN_0
SMBus Enable
0: Disable SMBus
1: Enable SMBus
STA_0
Start Flag
0: No START condition or repeated START condition will be generated
1: START or repeated START condition will be generated
STO_0
Stop Flag
0: No STOP condition is generated
1: STOP condition is generated
SI_0
Serial Interrupt Flag
0: No serial interrupt is requested, no stretching on the SCL
1: A serial interrupt is requested, the SCL line is stretched (if EA and ES1 are both set)
AA_0
Assert Acknowledge Flag -This bit defines the type of acknowledge returned during
the acknowledge cycle on the SCL line.
0: A “not acknowledge” (high level on SDA) is returned during the acknowledge cycle
1: An “acknowledge” (low level on SDA) is returned during the acknowledge cycle
FTE_0
Bus Free (SCL High) Timeout Enable
0: Bus Free timeout disabled
1: Bus Free timeout enabled
TOE_0
SCL Low Timeout Enable
0: SCL Low timeout disabled
1: SCL Low timeout enabled
CRSEL_0
SCL Clock Source Selection
0: SMBus internal baud generator generates the SCL
1: TIMER1 overflow generates the SCL
SMBus0 Control Register0 (SM0CON0)
Location
7
6
5
4
3
2
1
0
Reset Value
D9H
SMBEN_0
STA_0
STO_0
SI_0
AA_0
FTE_0
TOE_0
CRSEL_0
00H
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