SC68C752BIB48 PHILIPS [NXP Semiconductors], SC68C752BIB48 Datasheet - Page 13

• Manufacturer Part Number: SC68C752BIB48
• Description: 5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 64-byte FIFOs and Motorola uP interface
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
SC68C752B_3
Product data sheet
6.4 Reset
Table 5
Table 5:
Remark: Registers DLL, DLH, SPR, XON1, XON2, XOFF1, XOFF2 are not reset by the
top-level reset signal RESET, that is, they hold their initialization values during reset.
Table 6
Table 6:
Register
Interrupt Enable Register
Interrupt Identification Register
FIFO Control Register
Line Control Register
Modem Control Register
Line Status Register
Modem Status Register
Enhanced Feature Register
Receiver Holding Register
Transmitter Holding Register
Transmission Control Register
Trigger Level Register
Signal
TX
RTS
DTR
RXRDY
TXRDY
summarizes the state of register after reset.
summarizes the state of registers after reset.
Register reset functions
Signal RESET functions
5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 64-byte FIFOs
Rev. 03 — 29 November 2005
Reset control
RESET
RESET
RESET
RESET
RESET
RESET
RESET
RESET
RESET
RESET
RESET
RESET
Reset control
RESET
RESET
RESET
RESET
RESET
Reset state
all bits cleared
bit 0 is set; all other bits cleared
all bits cleared
reset to 0001 1101 (1Dh)
all bits cleared
bits 5 and 6 set; all other bits cleared
bits 0 to 3 cleared; bits 4 to 7 input signals
all bits cleared
pointer logic cleared
pointer logic cleared
all bits cleared
all bits cleared
Reset state
HIGH
HIGH
HIGH
HIGH
LOW
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
SC68C752B
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