RD
RRD
WR
RWR
MEMCSI
MEMCSO
tPHL1
tPHL3
SYMBOL
tPHL1 1
tPLH2 1
tPHL3 1
PARAMETER
RD↓ to RRD↓
WR↓ to RWR↓
MEMCSI↓ to MEMCSO↓
tPHL2
MIN
MAX
UNITS
0
30
ns
0
30
ns
0
30
ns
Figure 31. BCRTM Dual-Port Interface Timing Delays
MANCHESTER C
DMA
ACTIVITY
tPZLI
D
D
SYMBOL
tPZL11,2
PARAMETER
Data word to DMA activity
MIN
MAX
UNITS
0
4
µs
This diagram indicates the relationship between the incoming Manchester code and DMA activity (i.e., DMAR↓ to DMACK↑).
Note:
1. The pulse width = (11µs -tDMA -tPZL1) where tDMA is the time to complete DMA activity (i.e., DMAR↓ to DMACK↑).
2. Guaranteed by functional test.
Figure 32. DMA Activity Memory Window (RT Mode)
BCRTM-47