tmp19a43fd TOSHIBA Semiconductor CORPORATION, tmp19a43fd Datasheet - Page 101

• Manufacturer Part Number: tmp19a43fd
• Description: 32-bit Risc Microprocessor
• Manufacturer: TOSHIBA Semiconductor CORPORATION

OUTPUT DATA
INPUT DATA
SCK period
SCK Clock High width(input)
SCKClock Low width(input)
SO data to SCK rise
SO data hold after SCK rise
SI data valid to SCK rise
SI data hold after SCK rise
SCK period (programmable)
SO data to SCK rise
SO data hold after SCK rise
SI data valid to SCK rise
SI data hold after SCK rise
(2) Clock-Synchronous 8-Bit SIO mode
SCLK
TxD
TxD
denotes the value of n programmed into the SCK (SCL output frequency select) field in the
SBI0CR1.
 SCK Input mode
 SCK Output mode
In the tables below, the letters x represent the fsys cycle periods, respectively. The letter n
The electrical specifications below are for an SCK signal with a 50% duty cycle.
Parameter
Parameter
t
t
OSS
SRD
VALID
0
t
0
SCY
tSCY
TscH
TscH
tOSS
tOHS
tSRD
tHSR
Symb
Symb
t
t
t
t
t
SCY
OSS
OHS
SRD
HSR
TMP19A43 5-30
ol
ol
VALID
16x
8x
8x
(tSCY/2)
(tSCY/2)
0
4x
1
1
(t
(t
10
SCY
SCY
2x
t
2
HSR
Min
n
t
Min
Equation
/2)
/2)
nT
0
SCH
Equation
(6x
4x
t
30
OHS
20
20
20)
t
SCL
Max
VALID
Max
2
2
T380
Min
400
200
200
30
300
0
110
800
380
Min
55
0
40 MHz
40 MHz
TMP19A43
Max
Max
ns
ns
ns
ns
ns
ns
ns
VALID
3
Unit
Unit
3
ns
ns
ns
ns
ns