TVME8240 User Manual Issue 1.2.9
Page 48 of 70
8.2.3.2 IP X Control Registers
The IP X Control Registers can be used to control IP interrupts, recover time and clock rate.
There is one IP X Control Register for each IP Slot (A-D).
Bit
Name
Description
15
(MSB)
14
13
12
11
10
9
8
-
Read :
Undefined
Write :
No Effect. Should be written with 0's
7
INT1_EN
0 : IP Interrupt 1 Disabled
1 : IP Interrupt 1 Enabled
6
INT0_EN
0 : IP Interrupt 0 Disabled
1 : IP Interrupt 0 Enabled
5
INT1_SENSE
0 : IP Interrupt 1 Level Sensitive
1 : IP Interrupt 1 Edge Sensitive
4
INT0_SENSE
0 : IP Interrupt 0 Level Sensitive
1 : IP Interrupt 0 Edge Sensitive
3
ERR_INT_EN
0 : IP Error Interrupt Disabled
1 : IP Error Interrupt Enabled
2
TIME_INT_EN
0 : IP Timeout Interrupt Disabled
1 : IP Timeout Interrupt Enabled
1
RECOVER
0 : IP Recover Time Disabled
1 : IP Recover Time Enabled
0
(LSB)
CLKRATE
0 : IP Clock Rate 8 MHz
1 : IP Clock Rate 32 MHz
Table 8-8 : IP X Control Register
After power-up or board reset all bits in the IP X Control Registers are cleared.
If IP recover time is enabled for an IP slot, an IP cycle for this slot will not begin until the IP
recover time is expired. The IP recover time is app. 1µs.