EDMA3 Registers
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11.4.2.3 EDMA3TC System Configuration Register (SYSCONFIG)
The EDMA3TC system configuration register (SYSCONFIG) is shown in Figure 11-107 and described in
Table 11-92.
Figure 11-107. EDMA3TC System Configuration Register (SYSCONFIG)
31 16
Reserved
R-0
15 6 5 4 3 2 1 0
Reserved STANDBYMOD IDLEMODE Reserved
E
R-0 R/W-2 R/W-2 R-0
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset; -x = value is indeterminate after reset
Table 11-92. EDMA3TC System Configuration (SYSCONFIG) Field Descriptions
Bit Field Value Description
31-10 Reserved 0 Reserved.
5-4 STANDBYMODE 2h Configuration of the local initiator state management mode. By definition, initiator may generate
read/write transaction as long as it is out of STANDBY state.
0x0 = Force-standby mode: local initiator is unconditionally placed in standby state. Backup mode,
for debug only.
0x1 = No-standby mode: local initiator is unconditionally placed out of standby state. Backup mode,
for debug only.
0x2 = Smart-standby mode: local initiator standby status depends on local conditions, i.e., the
module's functional requirement from the initiator. IP module should not generate (initiator-related)
wakeup events.
0x3 = Reserved.
3-2 IDLEMODE 2h Configuration of the local target state management mode. By definition, target can handle
read/write transaction as long as it is out of IDLE state.
0x0 = Force-idle mode: local target's idle state follows (acknowledges) the system's idle requests
unconditionally, i.e. regardless of the IP module's internal requirements. Backup mode, for debug
only.
0x1 = No-idle mode: local target never enters idle state. Backup mode, for debug only.
0x2 = Smart-idle mode: local target's idle state eventually follows (acknowledges) the system's idle
requests, depending on the IP module's internal requirements. IP module shall not generate (IRQ or
DMA-request-related) wakeup events.
0x3 = Reserved.
1-0 Reserved 0 Reserved.
996
Enhanced Direct Memory Access (EDMA) SPRUH73H–October 2011–Revised April 2013
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