SB16C1058-TQFP128 IK Semicon Co., Ltd, SB16C1058-TQFP128 Datasheet - Page 7

• Manufacturer Part Number: SB16C1058-TQFP128
• Description: Octal-uart Controller With 256-byte Fifo
• Manufacturer: IK Semicon Co., Ltd

4. Block Diagram
nCS_nUART, nOPT
Figure 1:
nTXRDY /nRXRDY
nIOR/nIOW
RESET
D[7:0]
A[7:0]
INT
Block Diagram
SB16C1058
DATA AND
REGISTER
CONTROL
CONTROL
INTRRUPT
CONTROL
GLOBAL
LOGIC
LOGIC
LOGIC
OCTAL UART WITH 256-BYTE FIFO
UART 0
UART 1
UART 2
UART 3
UART 4
UART 5
UART 6
UART 7
INTERRUPT
CONTROL
REGISTER
REGISTER
TRANSMIT
CONTROL
RECEIVE
CONTROL
LOGIC
LOGIC
FLOW
LOGIC
XTAL1
FLOW
FIFO
FIFO
CLOCK AND
BAUD RATE
GENERATOR
XTAL2
REGISTER
REGISTER
TRANSMIT
RECEIVE
CONTROL
MODEM
SIGNAL
LOGIC
CLKSEL
SHIFT
SHIFT
IN16C1058
JUNE 2009
TXD0
RXD0
nRTS0/nDTR0
nCTS0/nDSR0/nDCD0/nRI0
nTXRDY0/nRXRDY 0
TXD1
RXD1
nRTS1/nDTR1
nCTS1/nDSR1/nDCD1/nRI1
nTXRDY1/nRXRDY 1
TXD2
RXD2
nRTS2/nDTR2
nCTS2/nDSR2/nDCD2/nRI2
nTXRDY2/nRXRDY 2
TXD3
RXD3
nRTS3/nDTR3
nCTS3/nDSR3/nDCD3/nRI3
nTXRDY3/nRXRDY 3
TXD4
RXD4
nRTS4/nDTR4
nCTS4/nDSR4/nDCD4/nRI4
nTXRDY4/nRXRDY 4
TXD5
RXD5
nRTS5/nDTR5
nCTS5/nDSR5/nDCD5/nRI5
nTXRDY5/nRXRDY 5
TXD6
RXD6
nRTS6/nDTR6
nCTS6/nDSR6/nDCD6/nRI6
nTXRDY6/nRXRDY 6
TXD7
RXD7
nRTS7/nDTR7
nCTS7/nDSR7/nDCD7/nRI7
nTXRDY7/nRXRDY 7
REV 1.0
7