Fast Models Reference Manual - ARM Information Center

Peripheral and Interface Components
Ports
Table 5-82 provides a brief description of the ports. Refer to the component documentation for
more details.
Name Port protocol Type Description
Table 5-82 SP804_Timer ports
pvbus PVBus Slave Slave port for connection to PV bus
master/decoder
irq_out0 Signal Master Interrupt signaling
irq_out1 Signal Master Interrupt signaling
clock ClockSignal Slave Clock input, typically 1MHz, driving
master count rate
timer_en[0] ClockRateControl Slave Port for changing the rate of timer 1
timer_en[1] ClockRateControl Slave Port for changing the rate of timer 2
Additional protocols
The SP804_Timer component has no additional protocols.
Parameters
The SP804_Timer component has no parameters.
Registers
Table 5-83 provides a description of the configuration registers for the SP804_Timer
component.
Table 5-83 SP804_Timer registers
Register
name
Offset Access Description
Timer1Load 0x000 read/write Data register
Timer1Value 0x004 read only Value register
Timer1Control 0x008 read/write Load register
Timer1IntClr 0x00C write only Interrupt clear register
Timer1RIS 0x010 read only Raw interrupt status register
Timer1MIS 0x014 read only Masked interrupt status
register
Timer1BGLoad 0x018 read/write Background load register
Timer2Load 0x020 read/write Data register
Timer2Value 0x024 read only Value register
Timer2Control 0x028 read/write Load register
Timer2IntClr 0x02C write only Interrupt clear register
ARM DUI 0423J Copyright © 2008-2011 ARM. All rights reserved. 5-109
ID051811
Non-Confidential