SC28L92A1B NXP Semiconductors, SC28L92A1B Datasheet - Page 59

• Manufacturer Part Number: SC28L92A1B
• Description: UART Interface IC UART DUAL W/FIFO
• Manufacturer: NXP Semiconductors
• Type: Dual UARTr

Specifications of SC28L92A1B

• Number Of Channels: 2
• Data Rate: 230.4 Kbps
• Supply Voltage (max): 5 V
• Supply Voltage (min): 3.3 V
• Supply Current: 25 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Package / Case: PQFP-44
• Description/function: Single-chip CMOS-LSI communications device
• Mounting Style: SMD/SMT
• Operating Supply Voltage: 3.3 V, 5 V
• Lead Free Status / Rohs Status: Details
• Other names: SC28L92A1B,557

NXP Semiconductors
SC28L92_7
Product data sheet
Fig 12. Bus timing, read cycle (68xxx mode)
Fig 13. Bus timing, write cycle (68xxx mode)
D0 to D7
D0 to D7
A0 to A3
A0 to A3
DACKN LOW requires two rising edges of X1 clock after CEN is LOW.
DACKN LOW requires two rising edges of X1 clock after CEN is LOW.
X1/CLK
DACKN
X1/CLK
DACKN
R/WN
R/WN
CEN
CEN
Rev. 07 — 19 December 2007
3.3 V/5.0 V Dual Universal Asynchronous Receiver/Transmitter
t
t
t
AS
DA
AS
t
t
t
CS
not valid
CS
t
CSC
CSC
t
DD
t
DS
t
t
AH
AH
t
t
DCW
DCR
data valid
t
t
DAT
DAT
t
DF
t
t
t
t
RWD
t
RWD
DH
CH
CH
t
t
DAH
DAH
SC28L92
© NXP B.V. 2007. All rights reserved.
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