sc16c652b NXP Semiconductors, sc16c652b Datasheet - Page 26

• Manufacturer Part Number: sc16c652b
• Description: 5v, 3.3 V And 2.5v Dual Uart, 5 Mbit/s Max. ,with 32-byte Fifos And Infrared Irda Encoder/decoder
• Manufacturer: NXP Semiconductors

Philips Semiconductors
SC16C652B_4
Product data sheet
7.11 SC16C652B external reset condition
Table 24:
[1]
Table 25:
Table 26:
Cont-3
0
1
0
1
X
X
X
1
0
1
Register
IER
FCR
ISR
LCR
MCR
LSR
MSR
SPR
DLL
DLM
Output
TXA, TXB
OP2A, OP2B
RTSA, RTSB
DTRA, DTRB
INTA, INTB
When using a software flow control the Xon/Xoff characters cannot be used for data transfer.
Cont-2
0
0
1
1
X
X
X
0
1
1
Software flow control functions
Reset state for registers
Reset state for outputs
Reset state
IER[7:0] = 0
FCR[7:0] = 0
ISR[7:1] = 0; ISR[0] = 1
LCR[7:0] = 0
MCR[7:0] = 0
LSR[7] = 0; LSR[6:5] = 1; LSR[4:0] = 0
MSR[7:4] = input signals; MSR[3:0] = 0
SFR[7:0] = 1
DLL[7:0] = X
DLM[7:0] = X
Reset state
logic 1
logic 1
logic 1
logic 1
3-state condition
Cont-1
X
X
X
X
0
1
0
1
1
1
Rev. 04 — 1 September 2005
Cont-0
X
X
X
X
0
0
1
1
1
1
Dual UART with 32-byte FIFOs and IrDA encoder/decoder
TX, RX software flow controls
No transmit flow control
Transmit Xon1/Xoff1
Transmit Xon2/Xoff2
Transmit Xon1 and Xon2/Xoff1 and Xoff2
No receive flow control
Receiver compares Xon1/Xoff1
Receiver compares Xon2/Xoff2
Transmit Xon1/Xoff1
Receiver compares Xon1 and Xon2, Xoff1 and Xoff2
Transmit Xon2/Xoff2
Receiver compares Xon1 and Xon2/Xoff1 and Xoff2
Transmit Xon1 and Xon2/Xoff1 and Xoff2
Receiver compares Xon1 and Xon2/Xoff1 and Xoff2
[1]
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
SC16C652B
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