参数资料
型号: SST89C58RC-40-C-QIF-T
厂商: Microchip Technology
文件页数: 17/88页
文件大小: 0K
描述: IC MCU 8BIT FLASH 40WQFN
标准包装: 3,000
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: 0°C ~ 70°C
封装/外壳: 40-WFQFN 裸露焊盘
包装: 带卷 (TR)
2011 Silicon Storage Technology, Inc.
DS25100A
12/11
24
FlashFlex MCU
SST89C58RC
Data Sheet
A Microchip Technology Company
Symbol
Function
COEN
Clock Divider Enable
0: Disable Clock Divider
1: Enable Clock Divider
CO_SEL
Clock Divider Selection
00b: 1/4 clock source
01b: 1/16 clock source
10b: 1/256 clock source
11b: 1/1024 clock source
CO_IN
Clock Source Selection
0b: Select clock from 1x clock
1b: Select clock from 2x clock
The default value of this bit is set during Power-on reset by copying from
Enable_Clock_Double_i non-volatile bit setting. CO_IN can be changed during normal
operation to select the double clock option.
If the clock source is a 1x clock, the clock divider exports 1/4, 1/16, 1/256, or 1/1024 of
the input clock.
If the clock source is a 2x clock, the clock divider exports 1/2, 1/8, 1/128, or 1/512 of
the input clock.
Symbol
Function
WDU
Watchdog Timer Clock Control
0:The clock for the Watchdog timer is running
1:The clock for the Watchdog timer is stopped
TCT
Timer 0/1 Clock Control
0:The Timer 0/1 logic is running
1:The Timer 0/1 logic is stopped
TCT2
Timer 2 Clock Control
0:The Timer 2 logic is running
1:The Timer 2 logic is stopped
SMB0
SMBus 0 Clock Control
0:The SMBus0 logic is running
1:The SMBus0 logic is stopped
SMB1
SMBus 1 Clock Control
0:The SMBus0 logic is running
1:The SMBus0 logic is stopped
UART
UART Clock Control
0:The UART logic is running
1:The UART logic is stopped
Clock Option Register (COSR)
Location
76543210
Reset Value
BFH
----
COEN
CO_SEL
CO_IN
xxxx0000H
Power Management Control Register (PMC)
Location
76543210
Reset Value
A1H
-
WDU
TCT
TCT2
SMB0
SMB1
UART
xx000000b
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