參數(shù)資料
型號(hào): TL16PC564BLVPZ
廠商: Texas Instruments, Inc.
英文描述: Tools, Stencil; Leaded Process Compatible:Yes; Peak Reflow Compatible (260 C):Yes
中文描述: 的PCMCIA通用異步收發(fā)器
文件頁數(shù): 21/33頁
文件大?。?/td> 488K
代理商: TL16PC564BLVPZ
TL16PC564B, TL16PC564BLV
PCMCIA UNIVERSAL ASYNCHRONOUS RECEIVER TRANSMITTER
SLLS225A – MARCH 1996 – REVISED FEBRUARY 1998
21
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
host CPU status change timing requirements over recommended ranges of operating free-air
temperature and supply voltage (see Figure 17)
MIN
MAX
UNIT
td54
Delay time, subsystem write
to STSCHG
(see Note 14)
2tc5
3tc5
ARBCLKI
cycles
td55
Delay time, OE
to STSCHG high impedance (see Note 15)
tc5
2tc5
ARBCLKI
cycles
NOTES: 15. Synchronized to rising edge of ARBCLKI
16. Synchronized to falling edge of ARBCLKI
PARAMETER MEASUREMENT INFORMATION
XIN
1 XIN Cycle
td1
td2
N
UARTCLK
(1/0.5 – 1/1.5)
UARTCLK
(1/2 – 1/7)
UARTCLK
(1/2.5 – 1/7.5)
tc1
tw2
tw1
td3
td4
td5
td3
1.5 XIN Cycles
td4
td3
UARTCLK
(1/8 – 1/31)
(N–1.5)XIN Cycles
(N–1)XIN Cycles
(N–4)XIN Cycles
4 XIN Cycles
td5
td3
UARTCLK
(1/8.5 – 1/31.5)
(N–4.5)
XIN Cycles
4.5 XIN Cycles
The low portion of the UARTCLK cycle = 1 XIN cycle for PGMCLK integer values of 2 to 7 and 1.5 XIN cycles for PGMCLK noninteger values
2.5 to 7.5.
The low portion of the UARTCLK cycle = 4 XIN cycles for PGMCLK integer values of 8 to 31 and 4.5 XIN cycles for PGMCLK noninteger values
8.5 to 31.5.
Figure 1. XIN Clock Timing Waveforms
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