SC16C554 Philips Semiconductors, SC16C554 Datasheet - Page 38

• Manufacturer Part Number: SC16C554
• Description: Quad UART with 16-byte FIFO and infrared (IrDA) encoder/decoder
• Manufacturer: Philips Semiconductors

Philips Semiconductors
Table 27:
T
[1]
[2]
[3]
9397 750 13132
Product data
Symbol
t
t
t
t
N
32d
33s
33h
RESET
amb
Fig 10. General read timing in 68 mode.
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
= 40 C to +85 C; V
D0–D7
A0–A4
R/W
CS
AC electrical characteristics
Parameter
write cycle delay
data set-up time
data hold time
Reset pulse width
baud rate divisor
max
=
10.1 Timing diagrams
------------------------------------- -
2 Baudrate
max
max
t
32s
max
= 460.8 kbit/s)
= 115.2 kbit/s)
t
30s
CC
= 1.5 Mbit/s)
1
= 2.5 V, 3.3 V or 5.0 V
max
t
31d
…continued
t
30w
Quad UART with 16-byte FIFO and infrared (IrDA) encoder/decoder
Conditions
Rev. 05 — 10 May 2004
10%, unless otherwise specified.
t
30h
t
[3]
31h
Min
25
20
15
200
1
t
30d
2.5 V
Max
-
-
-
-
2
16
1
Min
25
15
5
40
1
SC16C554/554D
3.3 V
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Max
-
-
-
-
2
16
1
, clock cycle.
1
Min
20
15
5
40
1
5.0 V
Max
-
-
-
-
2
16
002aaa210
1
38 of 55
Unit
ns
ns
ns
ns
R
clk