sc16c852viet NXP Semiconductors, sc16c852viet Datasheet - Page 38
sc16c852viet
Manufacturer Part Number
sc16c852viet
Description
Sc16c852v 1.8 V Dual Uart, 5 Mbit/s Max. With 128-byte Fifos, Infrared Irda , And Xscale Vlio Bus Interface
Manufacturer
NXP Semiconductors
Datasheet
1.SC16C852VIET.pdf
(54 pages)
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NXP Semiconductors
SC16C852V_4
Product data sheet
7.23 SC16C852V external reset condition and software reset
These two reset methods are identical and will reset the internal registers as indicated in
Table
Table 35.
Table 36.
Register
IER
FCR
ISR
LCR
MCR
LSR
MSR
EFCR
SPR
DLL
DLM
TXLVLCNT
RXLVLCNT
EFR
Xon-1
Xon-2
Xoff-1
Xoff-2
TXINTLVL
RXINTLVL
FLWCNTH
FLWCNTL
CLKPRES
RS485TIME
AFCR2
AFCR1
Output
TXA, TXB
OP2A, OP2B
RTSA, RTSB
DTRA, DTRB
INTA, INTB
35.
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
RS485TIME[7:0] = 0
AFCR2[7:0] = 0
AFCR1[7:0] = 0
Reset state
logic 1
logic 1
logic 1
logic 1
3-state condition
Rev. 04 — 14 January 2008
SC16C852V
© NXP B.V. 2008. All rights reserved.
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