TS68302MAB Atmel Corporation, TS68302MAB Datasheet - Page 29

• Manufacturer Part Number: TS68302MAB
• Description: 16-bit Communication Controller, 16-20 MHz
• Manufacturer: Atmel Corporation

Table 19. AC Electrical Specifications - Idle Timing
are referenced to the L1CLK at 50% point of VDD (Continued)
Notes:
Figure 23. IDL Timing Diagram
2117A–HIREL–11/02
Num.
274
275
276
(OUTPUT)
(OUTPUT)
(OUTPUT)
(INPUT)
(INPUT)
(INPUT)
(INPUT)
L1RXD
L1TXD
L1SY1
L1CLK
SDS1
SDS2
L1RQ
L1GR
1. The ratio CLK/L1CLK must be greater than 2.5/1.
2. High impedance is measured at the 30% and 70% of VDD points, with the line at VDD/2 through 10K in parallel with 130 pF.
3. See Figure 23.
267
Parameter
L1GR hold time (from L1SY1 falling edge)
SDS1-SDS2 active delay from L1CLK rising edge
SDS1-SDS2 inactive delay from L1CLK falling edge
270
262
264
1
B17
B17
265
272
275
273
2
269
B16
B16
3
260
261
B15
B15
4
263
B14
B14
266
5
B13
B13
274
6
B12
B12
7
B11
B11
(3)
8
f = 16.67 MHz All timing measurements, unless otherwise specified,
B10
B10
9
D1
D1
276
10
A
A
11
271
B27
B27
268
12
B26
B26
13
B25
B25
14
B24
B24
Min
50
10
10
15
B23
B23
16
B22
B22
17
B21
B21
Max
75
75
18
B20
B20
TS68302
19
D2
D2
20
M
M
Unit
ns
ns
ns
29