sc16c850iet NXP Semiconductors, sc16c850iet Datasheet - Page 40

• Manufacturer Part Number: sc16c850iet
• Description: Sc16c850 2.5 V To 3.3 V Uart, 5 Mbit/s Max. With 128-byte Fifos, Infrared Irda , And 16 Mode Or 68 Mode Parallel Bus Interface
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 38.
T
[1]
[2]
[3]
[4]
SC16C850_1
Product data sheet
Symbol
t
t
t
f
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
N
WH
WL
w(clk)
XTAL1
su(A)
h(A)
su(RWL-CSL)
su(RWH-CSL)
w(CS)
d(CS)
d(CS-Q)
dis(CS-QZ)
h(CS-RWH)
d(RW)
su(D-CSH)
h(CSH-D)
d(modem-IRQL)
d(CS-IRQH)R
d(stop-IRQL)
d(CS-TX)W
d(start-IRQL)
d(CS-IRQH)W
d(CS-Q)W
w(RESET_N)
amb
Applies to external clock, crystal oscillator max 24 MHz.
Maximum frequency =
1 k pull-up resistor on IRQ pin.
RCLK is an internal signal derived from Divisor Latch LSB (DLL) and Divisor Latch MSB (DLM) divisor latches.
= 40 C to +85 C; tolerance of V
Dynamic characteristics - Motorola or 68 mode
Parameter
pulse width HIGH
pulse width LOW
clock pulse width
frequency on pin XTAL1
address set-up time
address hold time
set-up time from R/W LOW to CS LOW
set-up time from R/W HIGH to CS LOW
CS pulse width
CS delay time
delay time from CS to data output
disable time from CS to
high-impedance data output
hold time from CS to R/W HIGH
R/W delay time
set-up time from data input to CS HIGH
data input hold time after CS HIGH
delay time from modem to IRQ LOW
read delay time from CS to IRQ HIGH
delay time from stop to IRQ LOW
write delay time from CS to TX
delay time from start to IRQ LOW
write delay time from CS to IRQ HIGH
write delay time from CS to data output
pulse width on pin RESET
baud rate divisor
-------------- -
t
w clk
1
DD
10 %; unless otherwise specified.
2.5 V to 3.3 V UART with 128-byte FIFOs and IrDA encoder/decoder
Rev. 01 — 10 January 2008
Conditions
25 pF load
25 pF load
25 pF load
25 pF load
[1][2]
[3][4]
[3]
[3]
[4]
[4]
[3]
8T
12.5
Min
10
15
10
10
50
20
10
10
15
15
10
RCLK
V
6
6
1
-
-
-
-
-
-
-
-
-
DD
= 2.5 V
24T
(2
1T
1T
Max
16
80
50
20
40
40
55
40
RCLK
RCLK
-
-
-
-
-
-
-
-
-
-
-
-
-
-
RCLK
1)
8T
12.5
SC16C850
Min
10
15
10
10
20
10
10
10
15
15
10
RCLK
V
6
6
1
-
-
-
-
-
-
-
-
-
DD
© NXP B.V. 2008. All rights reserved.
= 3.3 V
24T
(2
1T
1T
Max
16
80
20
20
30
30
45
33
RCLK
RCLK
-
-
-
-
-
-
-
-
-
-
-
-
-
-
RCLK
1)
40 of 53
ns
Unit
ns
ns
ns
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
s
s
s
ns
ns
ns