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SC16C754BIA68,529

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P45P46-P48P49-P51
SC16C754B_4 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 04 — 6 October 2008 34 of 51
NXP Semiconductors
SC16C754B
5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 64-byte FIFOs
[1] × sign here means bit-AND.
set TX FIFO and RX FIFO thresholds
to VALUE
read LCR (03h), save in temp1
set LCR (03h) to BFh
read EFR (02h), save in temp2
set EFR (02h) to 10h + temp2
set LCR (03h) to 00h
read MCR (04h), save in temp3
set MCR (04h) to 40h + temp3
set TLR (07h) to VALUE
set MCR (04h) to temp3
set LCR (03h) to BFh
set EFR (02h) to temp2
set LCR (03h) to temp1
read FIFO Rdy register read MCR (04h), save in temp1
set temp2 = temp1 × EFh
[1]
set MCR (04h) = 40h + temp2
read FFR (07h), save in temp2
pass temp2 back to host
set MCR (04h) to temp1
set prescaler value to divide-by-1 read LCR (03h), save in temp1
set LCR (03h) to BFh
read EFR (02h), save in temp2
set EFR (02h) to 10h + temp2
set LCR (03h) to 00h
read MCR (04h), save in temp3
set MCR (04h) to temp3 × 7Fh
[1]
set LCR (03h) to BFh
set EFR (02h) to temp2
set LCR (03h) to temp1
set prescaler value to divide-by-4 read LCR (03h), save in temp1
set LCR (03h) to BF
read EFR (02h), save in temp2
set EFR (02h) to 10h + temp2
set LCR (03h) to 00h
read MCR (04)h, save in temp3
set MCR (04h) to temp3 + 80h
set LCR (03)h to BFh
set EFR (02h) to temp2
set LCR (03h) to temp1
Table 23. Register programming guide
…continued
Command Actions
SC16C754B_4 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 04 — 6 October 2008 35 of 51
NXP Semiconductors
SC16C754B
5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 64-byte FIFOs
9. Limiting values
Table 24. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol Parameter Conditions Min Max Unit
V
CC
supply voltage - 7 V
V
n
voltage on any other pin at D7 to D0 GND − 0.3 V
CC
+ 0.3 V
at any input only pin GND − 0.3 5.3 V
T
amb
ambient temperature operating in free-air −40 +85 °C
T
stg
storage temperature −65 +150 °C
SC16C754B_4 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 04 — 6 October 2008 36 of 51
NXP Semiconductors
SC16C754B
5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 64-byte FIFOs
10. Static characteristics
[1] Meets TTL levels, V
io(min)
= 2 V and V
IH(max)
= 0.8 V on non-hysteresis inputs.
[2] Applies for external output buffers.
[3] These parameters apply for D7 to D0.
[4] These parameters apply for DTRA, DTRB, INIA, INTB, RTSA, RTSB, RXRDYA, RXRDYB, TXRDYA, TXRDYB, TXA, TXB.
[5] Except XTAL2, V
OL
= 1 V typical.
[6] These junction temperatures reflect simulated conditions. Absolute maximum junction temperature is 150 °C. The customer is
responsible for verifying junction temperature.
[7] Applies to external clock; crystal oscillator max. 24 MHz.
[8] Measurement condition, normal operation other than Sleep mode:
V
CC
= 3.3 V; T
amb
=25°C. Full duplex serial activity on all two serial (UART) channels at the clock frequency specified in the
recommended operating conditions with divisor of 1.
[9] When using crystal oscillator. The use of an external clock will increase the sleep current.
Table 25. Static characteristics
Tolerance of V
CC
±
10 %, unless otherwise specified.
Symbol Parameter Conditions V
CC
= 2.5 V V
CC
= 3.3 V and 5 V Unit
Min Typ Max Min Typ Max
V
CC
supply voltage V
CC
− 10 % V
CC
V
CC
+10% V
CC
− 10 % V
CC
V
CC
+10% V
V
I
input voltage 0 - V
CC
0-V
CC
V
V
IH
HIGH-level input
voltage
[1]
1.6 - V
CC
2.0 - V
CC
V
V
IL
LOW-level input
voltage
[1]
- - 0.65 - - 0.8 V
V
O
output voltage
[2]
0-V
CC
0-V
CC
V
V
OH
HIGH-level
output voltage
I
OH
= −8mA
[3]
- - - 2.0 - - V
I
OH
= −4mA
[4]
- - - 2.0 - - V
I
OH
= −800 µA
[3]
1.85 - - - - - V
I
OH
= −400 µA
[4]
1.85 - - - - - V
V
OL
LOW-level output
voltage
[5]
I
OL
=8mA
[3]
- - - - - 0.4 V
I
OL
=4mA
[4]
- - - - - 0.4 V
I
OL
=2mA
[3]
- - 0.4 - - - V
I
OL
= 1.6 mA
[4]
- - 0.4 - - - V
C
i
input capacitance - - 18 - - 18 pF
T
amb
ambient
temperature
operating in
free air
−40 +25 +85 −40 +25 +85 °C
T
j
junction
temperature
[6]
0 25 125 0 25 125 °C
f
(i)XTAL1
crystal input
frequency
[7]
- - 50 - - 80 MHz
δ clock duty cycle - 50 - - 50 - %
I
CC
supply current f = 5 MHz
[8]
- - 4.5 - - 6 mA
I
CC(sleep)
sleep mode
supply current
[9]
- 200 - - 200 - µA
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P45P46-P48P49-P51

SC16C754BIA68,529

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Buy SC16C754BIA68,529
Manufacturer:
NXP Semiconductors
Description:
UART Interface IC 16CB 2.5V-5V 4CH
Lifecycle:
New from this manufacturer.
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