SC28L202A1DGG,118 NXP Semiconductors, SC28L202A1DGG,118 Datasheet - Page 71

• Manufacturer Part Number: SC28L202A1DGG,118
• Description: IC UART DUAL W/FIFO 56-TSSOP
• Manufacturer: NXP Semiconductors
• Series: IMPACTr

Specifications of SC28L202A1DGG,118

• Features: False-start Bit Detection
• Number Of Channels: 2, DUART
• Fifo's: 256 Byte
• Voltage - Supply: 3.3V, 5V
• With Parallel Port: Yes
• With Auto Flow Control: Yes
• With False Start Bit Detection: Yes
• With Modem Control: Yes
• With Cmos: Yes
• Mounting Type: Surface Mount
• Package / Case: 56-TFSOP (0.240", 6.10mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 935276109118; SC28L202A1DGG-T; SC28L202A1DGG-T

Philips Semiconductors
2005 Nov 01
Dual UART
NOTES:
1.
2.
INTRN or OP3-OP7 when used as interrupt outputs.
The test for open-drain outputs is intended to guarantee switching of the output transistor. Measurement of this response is referenced from the midpoint of the switching
signal, V
test environment are pronounced and can greatly affect the resultant measurement.
C1 = C2
C1 and C2 should be chosen according to the crystal manufacturer’s specification.
C1 and C2 values will include any parasitic capacitance of the wiring and X1 X2 pins.
Package capacitance approximately 4 pF.
X1/SCLK
CTCLK
M
RxC
TxC
, to a point 0.2 V above V
24 pF FOR C
L
= 13.5 pF. For the oscillator feedback loop the capacitors C1 and C2 are in series.
PARASITIC CAPACITANCE
PARASITIC CAPACITANCE
OL
INTERRUPT
INTERRUPT
t
t
t
t
. This point represents noise margin that assures true switching has occurred. Beyond this level, the effects of external circuitry and
CLK
CTC
Rx
Tx
OUTPUT
OUTPUT
3 pF
3 pF
C2
C1
WRN
RDN
1
1
Figure 11. Interrupt Timing (80xxx mode)
14.7456 MHz
Figure 12. Clock Timing
t
t
t
t
CLK
CTC
Rx
Tx
X1
X2
V
M
65
4pF
2pF
t
IR
SC28L202
V
*NOTE: X2 MUST BE LEFT OPEN.
CLK
TYP.
160 k
M
NOTE:
RESISTOR REQUIRED
FOR TTL INPUT.
t
IR
V
OL
V
+0.2 V
OL
+0.2 V
V
OL
V
CC
V
OL
470
TO UART
CIRCUIT
SC28L202
X2*
X1/Sclk
SD00736
Product data sheet
SD00735