SC16C2550 Philips Semiconductors, SC16C2550 Datasheet - Page 31

• Manufacturer Part Number: SC16C2550
• Description: Dual UART with 16 bytes of transmit and receive FIFOs and infrared (IrDA) encoder/decoder
• Manufacturer: Philips Semiconductors

Philips Semiconductors
10. Dynamic characteristics
Table 26:
T
[1]
[2]
[3]
9397 750 11621
Product data
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
N
1w
3w
6s
6h
7d
7w
7h
9d
12d
12h
13d
13w
13h
15d
16s
16h
17d
18d
19d
20d
21d
22d
23d
24d
25d
26d
27d
28d
RESET
amb
, t
Applies to external clock, crystal oscillator max 24 MHz.
= 333 ns (for Baudrate
= 1 s (for Baudrate
= 4 s (for Baudrate
When in both DMA mode 0 and FIFO enable mode, the write cycle delay should be larger than one x
IOWstrobe
2w
= 40 C to +85 C; V
AC electrical characteristics
Parameter
clock pulse duration
oscillator/clock frequency
address set-up time
address hold time
IOR delay from chip select
IOR strobe width
chip select hold time from IOR
read cycle delay
delay from IOR to data
data disable time
IOW delay from chip select
IOW strobe width
chip select hold time from IOW
data set-up time
data hold time
delay from IOW to output
delay to set interrupt from Modem
input
delay to reset interrupt from IOR
delay from stop to set interrupt
delay from IOR to reset interrupt
delay from start to set interrupt
delay from IOW to transmit start
delay from IOW to reset interrupt
delay from stop to set RXRDY
delay from IOR to reset RXRDY
delay from IOW to set TXRDY
delay from start to reset TXRDY
Reset pulse width
baud rate divisor
write cycle delay
max
=
------------------------------------- -
2 Baudrate
max
max
max
= 460.8 kbits/s)
= 115.2 kbits/s)
CC
= 1.5 Mbits/s)
1
= 2.5 V, 3.3 V or 5.0 V 10%, unless otherwise specified.
max
Dual UART with 16 bytes of transmit and receive FIFOs and IrDA
Conditions
25 pF load
25 pF load
25 pF load
25 pF load
25 pF load
25 pF load
25 pF load
25 pF load
Rev. 03 — 19 June 2003
[1]
[3]
Min
10
-
0
0
10
77
0
20
-
-
10
20
0
25
20
15
-
-
-
-
-
-
8
-
-
-
-
-
200
1
2.5 V
Max
-
48
-
-
-
-
-
-
77
15
-
-
-
-
-
-
100
100
100
1
100
100
24
100
1
100
100
8
-
2
[2]
16
1
Min
6
-
0
0
10
26
0
20
-
-
10
20
0
25
20
5
-
-
-
-
-
-
8
-
-
-
-
-
40
1
3.3 V
© Koninklijke Philips Electronics N.V. 2003. All rights reserved.
Max
-
80
-
-
-
-
-
-
26
15
-
-
-
-
-
-
33
24
24
1
29
45
24
45
1
45
45
8
-
2
[2]
16
1
, clock cycle.
SC16C2550
1
Min
6
0
0
10
23
0
20
-
-
10
15
0
20
15
5
-
-
-
-
-
-
8
-
-
-
-
-
40
1
encoder/decoder
5.0 V
Max
-
80
-
-
-
-
-
-
23
15
-
-
-
-
-
-
29
23
23
1
28
40
24
40
1
40
40
8
-
2
[2]
16
1
31 of 46
Unit
ns
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
R
ns
ns
R
ns
R
ns
ns
R
ns
R
clk
clk
clk
clk
clk