Real-Time Synchronous Wait AC Timings; VDD
參數(shù)資料
型號: TSC80251G2D-L16CER
廠商: Atmel
文件頁數(shù): 47/77頁
文件大?。?/td> 0K
描述: IC MCU 8BIT 16MHZ LO VOLT 44VQFP
標準包裝: 1,500
系列: 8x251
核心處理器: C251
芯體尺寸: 8/16-位
速度: 16MHz
連通性: EBI/EMI,I²C,Microwire,SPI,UART/USART
外圍設(shè)備: POR,PWM,WDT
輸入/輸出數(shù): 32
程序存儲器類型: ROMless
RAM 容量: 1K x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 5.5 V
振蕩器型: 內(nèi)部
工作溫度: 0°C ~ 70°C
封裝/外殼: 44-LQFP
包裝: 帶卷 (TR)
其它名稱: TSC80251G2DL16CER
51
AT/TSC8x251G2D
4135F–8051–11/06
Timings
Table 42.
Real-Time Synchronous Wait AC Timings; VDD = 2.7 to 5.5 V, TA = -40 to
85
°C
Waveforms
Figure 14.
Real-time Synchronous Wait State: Code Fetch/Data Read
Figure 15.
Real-time Synchronous Wait State: Data Write
Symbol
Parameter
Min
Max
Unit
TCLYV
Wait Clock Low to Wait Set-up
0
TOSC - 20
ns
TCLYX
Wait Hold after Wait Clock Low
2WTOSC + 5
(1+2W)TOSC - 20
ns
TRLYV
PSEN#/RD# Low to Wait Set-up
0
TOSC - 20
ns
TRLYX
Wait Hold after PSEN#/RD# Low
2WTOSC + 5
(1+2W)TOSC - 20
ns
TWLYV
WR# Low to Wait Set-up
0
TOSC - 20
ns
TWLYX
Wait Hold after WR# Low
2WTOSC + 5
(1+2W)TOSC - 20
ns
State 1
State 2
State 3
State 1 (next cycle)
TRLYXmax
TRLYXmin
TRLYV
TCLYV
TCLYXmax
P2
RD#/PSEN#
ALE
WCLK
P0
WAIT#
TCLYXmin
RD#/PSEN# stretched
A15:8
A7:0
D7:0
stretched
A15:8
stretched
A7:0
State 1
State 2
State 3
State 1 (next cycle)
TWLYXmax
TWLYXmin
TWLYV
TCLYV
TCLYXmax
P2
RD#/PSEN#
ALE
WCLK
P0
WAIT#
TCLYXmin
WR# stretched
A7:0
D7:0
stretched
A15:8
stretched
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