scn68562 NXP Semiconductors, scn68562 Datasheet - Page 8

• Manufacturer Part Number: scn68562
• Description: Dual Universal Serial Communications Controller Duscc
• Manufacturer: NXP Semiconductors

Philips Semiconductors
AC ELECTRICAL CHARACTERISTICS
1995 May 01
Dual universal serial communications controller (DUSCC)
NO
NO.
12A
40A
7A
10
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
11
1
2
3
4
5
6
7
8
9
FIGURE
FIGURE
14,15
14,15
14,15
14,15
14,15
14,15
4,6
4,6
4,6
4,6
4,6
4,5
4,5
4,6
4,6
4,6
4,6
10
11
11
12
12
13
15
15
15
15
14
14
14
14
14
14
16
3
5
4
6
6
5
8
8
8
9
RESETN pulse width
A1 - A6 set-up time to CSN Low
A1 - A6 hold time from CSN High
RWN set-up time to CSN Low
RWN hold time to CSN High
CSN High pulse width
CSN or IACKN High from DTACKN Low
IACKN High to DTACKN High
Data valid from CSN or IACKN Low
Data bus floating from CSN High
Data hold time from DTACKN Low
DTACKN Low from read data ready
DTACKN Low from CSN Low
CSN Low to write data valid
DTACKN High from CSN High
DTACKN high impedance from CSN High
DTACKN Low from IACKN Low
GPI input set-up time to CSN Low
GPI input hold time from CSN Low
GPO output valid from DTACKN Low
IRQN High from:
Read RxFIFO (RxRDY interrupt)
Write TxFIFO (TxRDY interrupt)
Write RSR (Rx condition interrupt)
Write TRSR (Rx/Tx interrupt)
Write ICTSR (port change and CT int.)
X1/CLK High or Low time
X1/CLK frequency
CTCLK High or Low time
CTCLK frequency
RxC High or Low time
RxC frequency (16X or 1X)
TxC High or Low time
TxC frequency (16X or 1X)
TxD output from TxC input Low (1X)
TxD output from TxC output Low
RxD data set-up time to RxC High
RxD data hold time from RxC High
IACKN Low to daisy chain Low
Data valid from receive DMA ACKN
DTCN width
RDYN Low to DTCN Low
Data bus float from DTCN Low
DMA ACKN Low to RDYN (DTACKN) Low
RDYN High from DTCN Low
RDYN High impedance from DTCN Low
Receive DMA REQN High from DMA ACKN Low
Receive DMA ACKN width
Receive DMA ACKN Low to DONEN Low
Data set-up to DTCN Low
Data hold from DTCN Low
Transmit DMA REQN High from ACKN Low
Transmit DMA ACKN width
Transmit DMA ACKN Low to DONEN Low output
DTCN Low DONEN output High
CSN Low to transmit DONEN Low output
4
1, 2, 3, 4 T
6
9
PARAMETER
PARAMETER
8
7
8
7
(16X)
5
8
A
= -55 to +110 c, V
8
8
CC
= 5V + 10%
Min
160
100
100
110
110
100
150
150
1.2
2.0
10
30
20
25
50
50
80
50
50
0
0
0
0
0
0
0
0
14.7456
LIMITS
Typ
SCN68562
Max
Product specification
200
300
100
560
150
185
550
300
450
450
400
400
400
240
435
200
300
200
360
230
250
325
250
340
250
260
300
50
16
50
4
4
4
UNIT
UNIT
MHz
MHz
MHz
MHz
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
S