ST16C654IQ64-F Exar Corporation, ST16C654IQ64-F Datasheet - Page 22

• Manufacturer Part Number: ST16C654IQ64-F
• Description: IC UART FIFO 64B QUAD 64LQFP
• Manufacturer: Exar Corporation
• Type: Quad UART with 16-byte FIFOsr

Specifications of ST16C654IQ64-F

• Number Of Channels: 4, QUART
• Package / Case: 64-LQFP
• Features: *
• Fifo's: 64 Byte
• Protocol: RS232
• Voltage - Supply: 2.97 V ~ 5.5 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: 1.5 Mbps
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.97 V
• Supply Current: 3 mA to 6 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 45 C
• Mounting Style: SMD/SMT
• Operating Supply Voltage: 2.97 V to 5.5 V
• No. Of Channels: 4
• Uart Features: Infrared (IrDA) Encoder/Decoder
• Supply Voltage Range: 2.97V To 5.5V
• Operating Temperature Range: -40°C To +85°C
• Digital Ic Case Style: LQFP
• 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: 1016-1273

ST16C654/654D
2.97V TO 5.5V QUAD UART WITH 64-BYTE FIFO
Each UART channel in the 654 has its own set of configuration registers selected by address lines A0, A1 and
A2 with a specific channel selected (See
and
.
3.0 UART INTERNAL REGISTERS
A2,A1,A0 A
Table
X
0
0
0
0
0
1
1
1
1
0
1
1
1
1
0
10.
X X
0 0
0 1
0 1
1 0
1 1
0 0
0 1
1 0
1 1
1 0
0 0
0 1
1 0
1 1
0 0
DDRESSES
T
ABLE
RHR - Receive Holding Register
THR - Transmit Holding Register
DLL - Div Latch Low Byte
DLM - Div Latch High Byte
IER - Interrupt Enable Register
ISR - Interrupt Status Register
FCR - FIFO Control Register
LCR - Line Control Register
MCR - Modem Control Register
LSR - Line Status Register
Reserved
MSR - Modem Status Register
Reserved
SPR - Scratch Pad Register
EFR - Enhanced Function Reg
Xon-1 - Xon Character 1
Xon-2 - Xon Character 2
Xoff-1 - Xoff Character 1
Xoff-2 - Xoff Character 2
FSTAT - FIFO Status Register
9: UART CHANNEL A AND B UART INTERNAL REGISTERS
16C550 C
R
Table 1
EGISTER
E
NHANCED
and
OMPATIBLE
22
Table
R
EGISTERS
R
2). The complete register set is shown on
EGISTERS
R
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read-only
Read-only
Read-only
Read-only
Read-only
Write-only
Write-only
Write-only
Write-only
EAD
/W
RITE
LCR[7] = 1, LCR ≠ 0xBF
FSRS# pin is logic 0
LCR = 0xBF
C
LCR[7] = 0
LCR[7] = 0
LCR[7] = 0
xr
OMMENTS
REV. 5.0.2
Table 9