参数资料
型号: SST89C58RC-40-I-TQJE
厂商: Microchip Technology
文件页数: 68/88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
70
FlashFlex MCU
SST89C58RC
Data Sheet
A Microchip Technology Company
Table 26:Power Saving Modes
Mode
Initiated by
State of MCU
Exited by
Idle
Software
(Set IDL bit in
PCON)
MOV PCON,
#01H;
CLK is running.
Interrupts, serial port and
timers/counters are active.
Program Counter is stopped.
ALE and PSEN# signals at a
HIGH level during Idle.
All registers remain
unchanged.
Enabled interrupt or hardware reset.
Start of interrupt clears IDL bit and exits
idle mode, after the ISR RETI instruc-
tion, program resumes execution
beginning at the instruction following
the one that invoked idle mode. A user
could consider placing two or three
NOP instructions after the instruction
that invokes idle mode to eliminate any
problems. A hardware reset restarts the
device similar to a power-on reset.
Power-
down
Software
(Set PD bit in
PCON)
MOV PCON,
#02H;
CLK is stopped.
On-chip SRAM and SFR
data is maintained.
ALE and PSEN# signals at a
LOW level during power -
down.
External Interrupts are only
active for
level sensitive interrupts, if
enabled.
Enabled external level sensitive inter-
rupt or hardware reset. Start of inter-
rupt clears PD bit and exits power-
down mode, after the ISR RETI instruc-
tion program resumes execution begin-
ning at the instruction following the one
that invoked power-down mode. A user
could consider placing two or three
NOP instructions after the instruction
that invokes power-down mode to elimi-
nate any problems. A hardware reset
restarts the device similar to a power-
on reset.
T0-0.0 25100
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