IC89E54 Datasheet, PDF (28/36 Pages) Integrated Circuit Solution Inc – 8-BITS SINGLE MICROCONTROLLER with 16/32/64-Kbytes of FLASH, 256 byte +512 byte RAM

IC89E54/58/64
SERIAL PORT TIMING: SHIFT REGISTER MODE
Symbol
tXLXL
tQVXH
tXHQX
tXHDX
tXHDV
Parameter
Serial port clock cycle time
Output data setup to
clock rising edge
Output data hold after
clock rising edge
Input data hold after
clock rising edge
Clock rising edge to
input data valid
24 MHz
Clock
Min Max
490 510
406 —
73 —
0—
— 417
40 MHz
Clock
Min Max
290 310
240 —
40 —
0—
— 250
Variable Oscillator
(3.5-40 MHz)
Min
Max
12tCLCL–10
12tCLCL+10
10tCLCL–10
—
Unit
ns
ns
2tCLCL–10
—
ns
0
—
ns
—
10tCLCL
ns
EXTERNAL CLOCK DRIVE CHARACTERISTICS
Symbol
1/tCLCL
tCHCX
tCLCX
tCLCH
tCHCL
Parameter
Oscillator Frequency
High time
Low time
Rise time
Fall time
Min
Max
Unit
3.5
40
MHz
10
—
ns
10
—
ns
—
10
ns
—
10
ns
28
Integrated C ircuitSolution Inc.
MC012-0C 11/16/2001