scn2651 NXP Semiconductors, scn2651 Datasheet - Page 11

• Manufacturer Part Number: scn2651
• Description: Programmable Communications Interface Pci
• Manufacturer: NXP Semiconductors

Philips Semiconductors
TIMING DIAGRAMS
1994 Apr 27
Programmable communications interface (PCI)
(OUTPUT)
(INPUT)
RESET
TxC
TxC
TxD
t
TxD
(1, 16, OR 64 CLOCK PERIODS)
t
RES
t
TCS
TRANSMIT
1 BIT TIME
(WRITE)
(READ)
A
D
D
RESET
0
0
0
R/W
,
–D
–D
A
CE
1
7
7
t
t
AS
CS
FLOATING
BUS
t
TxD
t
DD
READ AND WRITE
VALID
NOT
t
CE
11
RxC (IX)
TxC, RxC
DATA VALID
RxD
BRCLK,
t
DS
t
t
AH
CH
t
DF
t
t
BRH
R/TH
t
CED
t
DH
FLOATING
t
RXS
BUS
1/f
1/f
BRG
R/T
CLOCK
RECEIVE
t
t
BRL
R/TL
t
RXH
Product specification
SCN2651
SD00052