tmp89fm42 TOSHIBA Semiconductor CORPORATION, tmp89fm42 Datasheet - Page 273

• Manufacturer Part Number: tmp89fm42
• Description: 8 Bit Microcontroller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

RA001
17.6 AC Characteristics
SCLK cycle time
SCLK "L" pulse width
SCLK "H" pulse width
SI input setup time
SI input hold time
SO output delay time
SCLK cycle time
SCLK "L" pulse width
SCLK "H" pulse width
SI input setup time
SI input hold time
SO output delay time
SCLK low-level input voltage
SCLK high-level input voltage
SCLK0 pin
SO0 pin
SI0 pin
Parameter
A6
C6
SCLK pin
SI pin
SO pin
A7
C7
Figure 17-17 Interval time between bytes
Symbol
t
t
t
t
t
t
SCLKL
SCLKH
t
SCYH
t
t
SCYH
t
SCYL
SCYL
t
t
t
t
SCY
SOD
SCY
SOD
SIS
SIH
SIS
SIH
Figure 17-16 AC Characteristics
B0
D0
V
SCLKL
Internal clock operation
SO pin and SCLK pin load capacity=100 pF
External clock operation
SO pin and SCLK pin load capacity=100 pF
D1
t
B1
SOD
t
SCYL
B2
D2
Page 259
Condition
t
SIS
t
SCY
V
t
SCLKH
SIH
Trailing edge at the
8th bit (receive edge)
t
SCYH
Symbol
tBI
Interval time between bytes
(V
tBI
V
SS
2 / fcgck
1 / fcgck
1 / fcgck
2 / fcgck
1 / fcgck
1 / fcgck
DD
 25
 15
= 0 V, V
50
Min
60
35
50
50
0
0
u 0.70
Name
DD
Leading edge at the
1st bit (transmit edge)
= 4.5 V - 5.5 V, Topr = -40 to 85qC)
Typ.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
V
Minimum time
DD
4/fcgck
Max
V
50
60
u 0.30
DD
-
-
-
-
-
-
-
-
-
-
TMP89FM42
Unit
ns
V