Interfaces and Connectors
EBX-41 Reference Manual
46
Counter/Timers
The Copperhead includes three uncommitted 8254 type counter/timer channels for general
program use. External control signals for the three channels are available on connector J19.
Table 21: J22 Counter Timer Pinout
J19
Pin
Signal
Direction*
Signal
Name
Function
VL-CBR-4004
Connector
VL-CBR-4004
Pin (Silkscreen)
31
Output
OCTC3
Timer 3 Counter Output
J8
1 (IO25)
32
Input
GCTC3
Timer 3 Gate Input
2 (IO26)
33
Input
ICTC3
Timer 3 Clock Input
3 (IO27)
34
Output
OCTC4
Timer 4 Counter Output
4 (I028)
36
Input
GCTC4
Timer 4 Gate Input
J9
1 (IO29)
37
Input
ICTC4
Timer 4 Clock Input
2 (IO30)
38
Output
OCTC5
Timer 5 Counter Output
3 (IO31)
39
Input
GCTC5
Timer 5 Gate Input
4 (IO32)
* Relative to Copperhead
The Custom Programming appendix discusses how to use and configure these timers using the
following registers.
Register
Read/Write
Address
Name
IRQCTRL
R/W
CA3h
Interrupt Control Register
IRQSTAT
R-Status/Write-Clear
CA4h
Interrupt Status Register
TMCNTRL
R/W
CA5h
Timer Control Register
TIMBASEMS
R/W
CA6h
Timer Base MS Address Register
TIMBASELS
R/W
CA7h
Timer Base LS Address Register
PCIe Mini Card / mSATA
The socket at location J8 accepts a full-height PCI Express Mini Card or an mSATA module.
The PCIe Mini Card interface includes one PCIe x1 lane, one USB 2.0 channel, and the SMBus
interface. The socket is compatible with plug-in Wi-Fi modems, GPS receivers, flash data
storage, and other cards for added flexibility. An Intel WiFi Link 5300 PCI Express Mini Card
(VL-WD10-CBN) is available from VersaLogic. A WiFi antenna (VL-CBR-ANT01) and a 12"
WiFi card to bulkhead RP-SMA transition cable (VL-CBR-0201) are also available. For more
information, contact
.
The VL-MPEs-F1E series of mSATA modules provide flash storage of 4 GB, 16 GB, or 32 GB.
To secure a Mini Card or mSATA module to the on-board standoffs, use two M2.5 x 6mm pan
head Philips nylon screws. These screws are available in quantities of 10 in the VL-HDW-108
hardware kit from VersaLogic.
