XR20M1172IG28-F Exar Corporation, XR20M1172IG28-F Datasheet - Page 12

• Manufacturer Part Number: XR20M1172IG28-F
• Description: IC UART FIFO I2C/SPI 64B 28TSSOP
• Manufacturer: Exar Corporation

Specifications of XR20M1172IG28-F

• Number Of Channels: 2, DUART
• Package / Case: 28-TSSOP (0.173", 4.40mm Width)
• Features: *
• Fifo's: 64 Byte
• Protocol: RS485
• Voltage - Supply: 1.62 V ~ 3.63 V
• With Auto Flow Control: Yes
• With Irda Encoder/decoder: Yes
• With False Start Bit Detection: Yes
• With Modem Control: Yes
• With Cmos: Yes
• Mounting Type: Surface Mount
• Data Rate: 16 Mbps
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 1.62 V
• Supply Current: 250 uA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• No. Of Channels: 2
• Uart Features: Tx/Rx FIFO Counters
• Supply Voltage Range: 1.62V To 3.63V
• Operating Temperature Range: -40°C To +85°C
• Digital Ic Case Style: TSSOP
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 1016-1298-5

XR20M1172
TWO CHANNEL I2C/SPI UART WITH 64-BYTE FIFO
The IRQ# interrupt output changes according to the operating mode and enhanced features setup.
and 5
IRQ# Pin
IRQ# Pin
IRQ# Pin
summarize the operating behavior for the transmitter and receiver. Also see
Auto RS485
HIGH = no data
LOW = 1 byte
Mode
YES
NO
(FIFO D
FCR B
T
HIGH = a byte in THR
LOW = THR empty
HIGH = a byte in THR
LOW = transmitter empty
IT
ISABLED
ABLE
T
-0 = 0
ABLE
(FIFO D
FCR B
4: IRQ# P
)
5: IRQ# P
IT
ISABLED
-0 = 0
HIGH = FIFO below trigger level
LOW = FIFO above trigger level
IN
IN
O
)
O
PERATION FOR
PERATION
12
HIGH = FIFO above trigger level
LOW = FIFO below trigger level or FIFO empty
HIGH = FIFO above trigger level
LOW = FIFO below trigger level or transmitter empty
F
OR
T
RANSMITTER
R
FCR B
ECEIVER
(FIFO E
FCR B
IT
-0 = 1 (FIFO E
IT
NABLED
-0 = 1
Figures 21 through
)
NABLED
)
REV. 1.0.1
Table 4
35.