SC16C650B Datasheet, PDF (35/51 Pages) NXP Semiconductors – 5 V, 3.3 V and 2.5 V UART with 32-byte FIFOs and infrared (IrDA) encoder/decoder

Philips Semiconductors
SC16C650B
UART with 32-byte FIFOs and IrDA encoder/decoder
AS
A0–A2
CS2
CS1–CS0
IOW, IOW
D0–D7
t_4w
t_5s
t_5h
VALID
ADDRESS
t_6s
t_6h
t_13d
t_14d
VALID
t_13w
ACTIVE
t_13h
t_15d
t_16s
t_16h
DATA
Fig 10. General write timing when using AS signal.
002aaa332
A0–A2
CS
IOR
D0–D7
VALID
ADDRESS
t_6s′
t_7h′
ACTIVE
t_7w
ACTIVE
t_12d
t_9d
t_12h
DATA
Fig 11. General read timing when AS is tied to GND.
VALID
ADDRESS
t_6s′
t_7w
t_7h′
ACTIVE
t_12d
t_12h
002aaa333
9397 750 14451
Product data
Rev. 03 — 10 December 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
35 of 51