Host Access Modes and Timings
MSC8113 Reference Manual, Rev. 0
Freescale Semiconductor
14-23
14.3.4.6 Synchronous Burst Write Using Single Strobe Mode
Figure 14-16 shows a synchronous burst write access using single strobe mode. The DSI samples
HA[11–29]
,
HDST[0–1]
,
HCID[0–3]
,
HD[0–63]
,
HRW
,
HDBE[0–7]
, and
HBRST
on the first
HCLKIN
rising
edge on which
HCS
is asserted. If
HCID[0–3]
match the CHIPID value, the DSI is accessed.
HDBE
and
HBRST
are asserted and
HRW
is deasserted. Assertion of
HTA
indicates that the DSI is ready to
complete the current beat of the access and the host must proceed to the next beat of this access.
When the host reaches the last beat of the access, it must terminate the burst access. Typically
HTA
is asserted immediately for each beat of the access. If the write buffer is full,
HTA
assertion is
delayed. After the last beat of the access,
HTA
is driven to logic 1 and stops being driven on the
next rising edge of
HCLKIN
. The host can start its next access to the same MSC8113 immediately
in the next
HCLKIN
rising edge without deasserting
HCS
between accesses. If the next access is not
to the same MSC8113, to prevent contention on
HTA
, the host must wait to access the next device
until the previous DSI stops driving
HTA
.
Figure 14-16. Synchronous Burst Write Using Single Strobe Mode
HCLKIN
HCS
HBRST
HRW
HA[11–29]
HTA (output)
HD[0–63]
HDBE[0–7]
HCID[0–3]
D(A)
A
D(A+1)
D(A+2)
D(A+n–1)
HDST[0–1]
don’t care
don’t care
don’t care
don’t care
don’t care
don’t care
don’t care
don’t care
don’t care
don’t care
don’t care
don’t care
don’t care
don’t care
don’t
care
don’t
care
Note: For the byte transfers on HD[0–63], n = 3 for a 64-bit data bus interface and n = 7 for a 32-bit data bus interface
valid value
valid value
valid value
D(A+n)
don’t
care
Summary of Contents for MSC8113
Page 1: ...MSC8113 Reference Manual Tri Core 16 Bit Digital Signal Processor MSC8113RM Rev 0 May 2008 ...
Page 20: ...MSC8113 Reference Manual Rev 0 xx Freescale Semiconductor Contents ...
Page 28: ...MSC8113 Reference Manual Rev 0 xxviii Freescale Semiconductor ...
Page 56: ...MSC8113 Reference Manual Rev 0 1 28 Freescale Semiconductor MSC8113 Overview ...
Page 76: ...MSC8113 Reference Manual Rev 0 2 20 Freescale Semiconductor SC140 Core Overview ...
Page 134: ...MSC8113 Reference Manual Rev 0 4 30 Freescale Semiconductor System Interface Unit SIU ...
Page 168: ...MSC8113 Reference Manual Rev 0 6 18 Freescale Semiconductor Boot Program ...
Page 180: ...MSC8113 Reference Manual Rev 0 7 12 Freescale Semiconductor Clocks ...
Page 260: ...MSC8113 Reference Manual Rev 0 8 80 Freescale Semiconductor Memory Map ...
Page 300: ...MSC8113 Reference Manual Rev 0 9 40 Freescale Semiconductor Extended Core ...
Page 304: ...MSC8113 Reference Manual Rev 0 10 4 Freescale Semiconductor MQBus and M2 Memory ...
Page 308: ...MSC8113 Reference Manual Rev 0 11 4 Freescale Semiconductor SQBus ...
Page 590: ...MSC8113 Reference Manual Rev 0 17 46 Freescale Semiconductor Interrupt Processing ...
Page 614: ...MSC8113 Reference Manual Rev 0 18 24 Freescale Semiconductor Debugging ...
Page 622: ...MSC8113 Reference Manual Rev 0 19 8 Freescale Semiconductor Internal Peripheral Bus IPBus ...
Page 724: ...MSC8113 Reference Manual Rev 0 21 32 Freescale Semiconductor UART ...
Page 920: ...MSC8113 Reference Manual Rev 0 25 150 Freescale Semiconductor Ethernet Controller ...
Page 1171: ...MSC8113 Reference Manual Rev 0 Freescale Semiconductor C 61 EF wait_rts P 01077FFC 9F rts 71 ...
Page 1172: ...MSC8113 Reference Manual Rev 0 C 62 Freescale Semiconductor MSC8113 Boot Code ...
Page 1202: ...MSC8113 Reference Manual Rev 0 Index 30 Freescale Semiconductor Index ...