ata6603 ATMEL Corporation, ata6603 Datasheet - Page 324

• Manufacturer Part Number: ata6603
• Description: Microcontroller With Lin Transceiver, 5v Regulator And Watchdog
• Manufacturer: ATMEL Corporation

Figure 5-1.
5.1
Table 5-2.
324
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
SPI Timing Characteristics
ATA6602/ATA6603
SCL
SDA
2-wire Serial Bus Timing
SPI Timing Parameters
SS high to tri-state
SCK to out high
SCK to SS high
SCK high/low
SS low to SCK
t
SU;STA
SCK high/low
Rise/Fall time
Rise/Fall time
SS low to out
Description
SCK period
SCK period
Out to SCK
SCK to out
SCK to out
Setup
Setup
Hold
Hold
See
Note:
(1)
Figure 5-2 on page 325
1. In SPI Programming mode the minimum SCK high/low period is:
t
HD;STA
- 2 t
- 3 t
t
t
of
LOW
CLCL
CLCL
Master
Master
Master
Master
Master
Master
Master
Master
Mode
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
for f
for f
CK
CK
t
HIGH
< 12 MHz
> 12 MHz
t
HD;DAT
and
4 • t
2 • t
Min
Figure 5-3 on page 325
10
t
20
20
ck
t
ck
ck
LOW
t
SU;DAT
See
Table 4-69 on page 188
50% duty cycle
0.5 • t
1600
Typ
for details.
3.6
10
10
10
10
15
15
10
sck
t
SU;STO
t
r
Max
t
4921D–AUTO–08/07
BUF
ns