SC28C94 Philips Semiconductors, SC28C94 Datasheet - Page 28
SC28C94
Manufacturer Part Number
SC28C94
Description
Quad universal asynchronous receiver/transmitter QUART
Manufacturer
Philips Semiconductors
Datasheet
1.SC28C94.pdf
(38 pages)
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Philips Semiconductors
1998 Aug 19
Quad universal asynchronous receiver/transmitter (QUART)
UPDCIR
READ GIBC
READ CICR
READ CIR
IACK
HOLD
INTRAN–INTRDN,
EN
TxDa–TxDh,
D7
I/O0a–I/O3d
I/O0a–I/O3d
D0–D7,
BYTE COUNT
D6
BYTE COUNTER TRANSMITTER OFFSET CORRECTION LOGIC
Figure 9. Current Interrupt Register Logic
Figure 10. AC Test Conditions on Outputs
D5
INVERTING LATCHES
150pF
D4
60pF
INTBUSN7:0
INTERRUPT TYPE
28
2.7K
D3
6K
D2
D1
+5V
CHANNEL
SD00168
D0
+5V
1.6K
INTERRUPT
REGISTER
CURRENT
Product specification
SC28C94
SD00167