![](http://datasheet.mmic.net.cn/370000/-PD30181_datasheet_16680760/-PD30181_13.png)
13
μ
PD30700,30700L,30710
1. PIN FUNCTIONS
1.1 Pin Function List
(1/3)
Pin Name
I/O
Function
SCClk (5 : 0)
Output
Secondary cache clock signals.
SCClk (5 : 0)
Output
Secondary cache clock signals.
Inverted SCClk (5:0) signals.
SCAAddr (18 : 0),
SCBAddr (18 : 0)
Output
Secondary cache address bus.
19-bit address bus for secondary cache.
SCTagLSBAddr
Output
Secondary cache tag LSB address.
Specifies the LSB address of a secondary cache tag.
SCADWay,
SCBDWay
Output
Secondary cache data way.
Specifies a way of secondary cache data.
SCData (127 : 0)
I/O
Secondary cache data bus.
128-bit bus to read or write data from or to the secondary cache.
SCDataChk (9 : 0)
I/O
Secondary cache data check bus.
10-bit bus used to read or write ECC and even parity for secondary cache data.
SCADOE,
SCBDOE
Output
Secondary cache data output enable.
Signals enabling output of secondary cache data.
SCADWr,
SCBDWr
Output
Secondary cache data write enable.
Signals enabling writing of secondary cache data.
SCADCS,
SCBDCS
Output
Secondary cache data chip select.
Signals enabling access of secondary cache data.
SCTWay
Output
Secondary cache tag way.
Specifies the way of a secondary cache tag.
SCTag (25 : 0)
I/O
Secondary cache tag bus.
26-bit bus to read or write a tag to or from the secondary cache.
SCTagChk (6 : 0)
I/O
Secondary cache tag check bus.
7-bit bus used to read or write ECC for secondary cache tag.
SCTOE
Output
Secondary cache tag output enable.
Signal enabling output of a secondary cache tag.
SCTWr
Output
Secondary cache tag write enable.
Signal enabling writing of a secondary cache tag.
SCTCS
Output
Secondary cache tag chip select.
Signal enabling access to a secondary cache tag.
SysClk
Input
System clock.
System clock input.
SysClk
Input
System clock.
System clock input. Inverted SysClk signal.
SysClkRet
Output
System clock.
System clock output used for termination of system clock.
SysClkRet
Output
System clock.
System clock output used for termination of system clock. Inverted SysClkReset signal.
SysReq
Output
System request.
Signal requesting enabling issuance of a processor request when the V
R
10000 serves
as a slave.