sc28l198 NXP Semiconductors, sc28l198 Datasheet - Page 41

• Manufacturer Part Number: sc28l198
• Description: Octal Uart For 3.3v And 5v Supply Voltage
• Manufacturer: NXP Semiconductors

Philips Semiconductors
RESET CONDITIONS
Device Configuration after Hardware Reset or CRa
cmd=x1F
Cleared registers:
Clears Modes for:
2006 Aug 10
Octal UART for 3.3 V and 5 V supply voltage
Channel Status Registers (SR)
Channel Interrupt Status Registers (ISR)
Channel Interrupt Mask Registers (IMR)
Channel Interrupt Xon Status Register (XISR)
Interrupt Control Register (ICR)
Global Configuration Control Register (GCCR)
Hence the device enters the asynchronous bus cycling mode.
Current Interrupt Register (CIR)
BRG Timer Run Control Register (BRGTCR)
Watch-dog Timer Run Control Register (WDTRCR)
Channel Input/Output Port Configuration Registers (I/OPCR)
Hence all I/O pins have direction = Input after reset
BRG Counter/Timer Registers
Power down
41
Disables:
Halts:
Limitations:
Test modes
Input Port Changed bits
Gang write to Xon or Xoff
Xon/Xoff/Address detection
Receiver error status
Transmitters
Receivers
Interrupts, current and future
BRG Counters
Bus cycle in progress (hardware RESET only)
Minimum RESETN pin pulse width is 10 SClk cycles after Vcc
reaches operational range
The user must allow a minimum of 6 SClk cycles to elapse after
a reset (RESETN pin or CRa initiated) of the device terminates
before initiating a new bus cycle.
SC28L198
Product data sheet