參數資料
型號: P89C739ABB
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 8-bit Flash microcontrollers
中文描述: 8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQFP64
封裝: 14 X 20 MM, 2.70 MM HEIGHT, PLASTIC, SOT-319-1, QFP-64
文件頁數: 57/64頁
文件大?。?/td> 360K
代理商: P89C739ABB
1998 Apr 07
57
Philips Semiconductors
Product specification
8-bit Flash microcontrollers
P89C738; P89C739
21.1
Serial Port characteristics
Table 36
Serial Port timing: Shift Register mode
V
DD
= 5 V
±
10%; V
SS
= 0 V; T
amb
= 0 to 70
°
C; load capacitance = 80 pF.
SYMBOL
PARAMETER
12 MHz
OSCILLATOR
VARIABLE OSCILLATOR
UNIT
MIN.
MAX.
MIN.
MAX.
t
XLXL
t
QVXH
t
XHQX
t
XHDX
t
XHDV
Serial Port clock cycle time
output data set-up to clock rising edge
output data hold after clock rising edge 50
input data hold after clock rising edge
clock rising edge to input data valid
1
700
700
12t
clk
10t
clk
133
2t
clk
117
0
10t
clk
133
μ
s
ns
ns
ns
ns
0
Fig.32 Shift register mode timing.
handbook, full pagewidth
VALID
VALID
VALID
VALID
VALID
VALID
VALID
VALID
ALE
8
7
6
5
4
3
2
1
0
CLOCK
WRITE TO SBUF
OUTPUT DATA
CLEAR RI
INPUT DATA
tXLXL
tXHQX
tQVXH
tXHDV
tXHDX
SET RI
SET TI
MGA179
相關PDF資料
PDF描述
P89C738ABA 8-bit Flash microcontrollers
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P89C738ABP 8-bit Flash microcontrollers
P89C739 8-bit Flash microcontrollers
P89LPC904 8-bit microcontrollers with two-clock accelerated 80C51 core 1 kB 3 V byte-erasable Flash with 8-bit A/D converter
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