參數(shù)資料
型號(hào): TS87C58X2-VCC
廠商: Atmel
文件頁數(shù): 24/62頁
文件大?。?/td> 0K
描述: IC MCU 8BIT 32K OTP 40MHZ 44PQFP
標(biāo)準(zhǔn)包裝: 960
系列: 87C
核心處理器: 8051
芯體尺寸: 8-位
速度: 40/30MHz
連通性: UART/USART
外圍設(shè)備: POR,WDT
輸入/輸出數(shù): 32
程序存儲(chǔ)器容量: 32KB(32K x 8)
程序存儲(chǔ)器類型: OTP
RAM 容量: 256 x 8
電壓 - 電源 (Vcc/Vdd): 4.5 V ~ 5.5 V
振蕩器型: 內(nèi)部
工作溫度: 0°C ~ 70°C
封裝/外殼: 44-QFP
包裝: 托盤
30
4431E–8051–04/06
AT/TS8xC54/8X2
Figure 11-1.
Power-Down Exit Waveform
Exit from power-down by reset redefines all the SFRs, exit from power-down by external inter-
rupt does no affect the SFRs.
Exit from power-down by either reset or external interrupt does not affect the internal RAM
content.
NOTE: If idle mode is activated with power-down mode (IDL and PD bits set), the exit sequence
is unchanged, when execution is vectored to interrupt, PD and IDL bits are cleared and idle
mode is not entered.
Table 11-1.
The state of ports during idle and power-down modes
* Port 0 can force a "zero" level. A "one" Level will leave port floating.
INT1
INT0
XTAL1
Power-down phase
Oscillator restart phase
Active phase
Mode
Program
Memory
ALE
PSEN
PORT0
PORT1
PORT2
PORT3
Idle
Internal
1
Port Data*
Port Data
Idle
External
1
Floating
Port Data
Address
Port Data
Power Down
Internal
0
Port Data*
Port Data
Power Down
External
0
Floating
Port Data
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