sc16c852sviet NXP Semiconductors, sc16c852sviet Datasheet - Page 36

• Manufacturer Part Number: sc16c852sviet
• Description: 1.8 V Dual Uart, 20 Mbit/s Max. With 128-byte Fifos, Infrared Irda , And Xscale Vlio Bus Interface
• Manufacturer: NXP Semiconductors

NXP Semiconductors
SC16C852SV_1
Product data sheet
7.24 SC16C852SV external reset condition and software reset
These two reset methods are identical and will reset the internal registers as indicated in
Table
Table 34.
Table 35.
Register
IER
FCR
ISR
LCR
MCR
LSR
MSR
EFCR
SPR
DLL
DLM
TXLVLCNT
RXLVLCNT
EFR
XON1
XON2
XOFF1
XOFF2
TXINTLVL
RXINTLVL
FLWCNTH
FLWCNTL
CLKPRES
SAMPR
RS485TIME
AFCR2
AFCR1
Output
TXA, TXB
RTSA, RTSB
DTRA, DTRB
INTA, INTB
34.
Reset state for registers
Reset state for outputs
Dual UART with 128-byte FIFOs, IrDA, and XScale VLIO bus interface
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
EFCR[7:0] = 0
SPR[7:0] = 1
undefined
undefined
TXLVLCNT[7:0] = 0
RXLVLCNT[7:0] = 0
EFR[7:0] = 0
undefined
undefined
undefined
undefined
TXINTLVL[7:0] = 0
RXINTLVL[7:0] = 0
FLWCNTH[7:0] = 0
FLWCNTL[7:0] = 0
CLKPRES[7:0] = 0
SAMPR[7:0] = 0
RS485TIME[7:0] = 0
AFCR2[7:0] = 0
AFCR1[7:0] = 0
Reset state
logic 1
logic 1
logic 1
3-state condition
Rev. 01 — 23 September 2008
SC16C852SV
© NXP B.V. 2008. All rights reserved.
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