
TMS370Cx36
8-BIT MICROCONTROLLER
SPNS039B – JANUARY 1996 – REVISED FEBRUARY 1997
39
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
PARAMETER MEASUREMENT INFORMATION
timing parameter symbology
Timing parameter symbols have been created in accordance with JEDEC Standard 100. In order to shorten the
symbols, some of the pin names and other related terminology have been abbreviated as follows:
AR
B
CI
M
S
Array
Byte
XTAL2/CLKIN
Master mode
Slave mode
SC
SIMO
SOMI
SPC
SYSCLK
SPISIMO
SPISOMI
SPICLK
Lowercase subscripts and their meanings are:
c
d
f
r
cycle time (period)
delay time
fall time
rise time
su
v
w
setup time
valid time
pulse duration (width)
The following additional letters are used with these meanings:
H
L
V
High
Low
Valid
All timings are measured between high and low measurement points as indicated in Figure 14 and Figure 15.
0.8 V (Low)
2 V (High)
0.8 V (Low)
0.8 VCC V (High)
Figure 14. XTAL2/CLKIN Measurement Points
Figure 15. General Measurement Points