
Enhanced Direct Memory Access (eDMA)
16-18
Freescale Semiconductor
Table 16-20. TCDn_SADDR Field Descriptions
Field
Description
31–0
SADDR
Source address. Memory address pointing to the source data.
Address: 0xFC0 (0x20
×
n) (TCDn_ATTR)
Access: User read/write
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
R
SMOD
SSIZE
DMOD
DSIZE
W
Reset
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Figure 16-19. TCDn Transfer Attributes (TCDn_ATTR)
Table 16-21. TCDn_ATTR Field Descriptions
Field
Description
15–11
SMOD
Source address modulo.
0 Source address modulo feature is disabled.
non-0 This value defines a specific address range specified to be the value after SADDR + SOFF
calculation is performed or the original register value. The setting of this field provides the ability to
implement a circular data queue easily. For data queues requiring power-of-2 size bytes, the queue
should start at a 0-modulo-size address and the SMOD field should be set to the appropriate value for
the queue, freezing the desired number of upper address bits. The value programmed into this field
specifies the number of lower address bits allowed to change. For a circular queue application, the SOFF
is typically set to the transfer size to implement post-increment addressing with the SMOD function
constraining the addresses to a 0-modulo-size range.
10–8
SSIZE
Source data transfer size.
000 8-bit
001 16-bit
010 32-bit
100 16-byte
Else Reserved
The attempted use of a Reserved encoding causes a configuration error.
7–3
DMOD
Destination address modulo. See the SMOD definition.
2–0
DSIZE
Destination data transfer size. See the SSIZE definition.
Address: 0xFC0 (0x20
×
n) (TCDn_SOFF)
Access: User read/write
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
R
SOFF
W
Reset
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Figure 16-20. TCDn Signed Source Address Offset (TCDn_SOFF)
MCF5329 Reference Manual, Rev 3
Содержание MCF5329
Страница 106: ...ColdFire Core 3 32 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 126: ...Enhanced Multiply Accumulate Unit EMAC 4 20 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 148: ...Cache 5 22 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 154: ...Static RAM SRAM 6 6 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 184: ...Power Management 8 18 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 204: ...Reset Controller Module 10 8 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 220: ...System Control Module SCM 11 16 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 228: ...Crossbar Switch XBS 12 8 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 268: ...General Purpose I O Module 13 40 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 392: ...SDRAM Controller SDRAMC 18 30 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 436: ...Fast Ethernet Controller FEC 19 44 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 564: ...Liquid Crystal Display Controller LCDC 22 44 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 594: ...FlexCAN 23 30 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 678: ...Pulse Width Modulation PWM Module 26 22 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 684: ...Watchdog Timer Module 27 6 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 692: ...Programmable Interrupt Timers PIT0 PIT3 28 8 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 704: ...DMA Timers DTIM0 DTIM3 29 12 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 720: ...Queued Serial Peripheral Interface QSPI 30 16 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 754: ...UART Modules 31 34 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 770: ...I2 C Interface 32 16 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 790: ...Message Digest Hardware Accelerator MDHA 33 20 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 866: ...Debug Module 36 50 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 902: ...Register Memory Map Quick Reference A 26 Freescale Semiconductor MCF5329 Reference Manual Rev 3...