Epson S1C31D50 Technical Instructions page 361

Pause & Release Pause
Figure 21.4.15.4 shows Sound Pause-Release Pause Flow.
Cortex Set HW Processor
Cortex Set HW Processor
S1C31D50 TECHNICAL MANUAL
(Rev. 1.00)
Wait STATE_x = "sp_state_play"
Wait STATUS.READY = sp_status_ready
Set Sound Play COMMAND
-
COMMAND_x: "PAUSE_xxx"
in Sound Play Function Registers(See Table 21.4.14.1)
Set HWPCMDTRG.HWP0TRG
Wait HWPINTF.HWP0IF = 1
check STATE_x = "sp_state_pause", if necessary
Wait STATE_x = "sp_state_pause"
Wait STATUS.READY = sp_status_ready
Set Sound Play COMMAND
-
COMMAND_x: "Release_PAUSE"
in Sound Play Function Registers(See Table 21.4.14.1)
Set HWPCMDTRG.HWP0TRG
Wait HWPINTF.HWP0IF = 1
check STATE_x = "sp_state_play", if necessary
Figure 21.4.15.4 Sound PAUSE-Release PAUSE Flow
Seiko Epson Corporation
HW Processor interrupts to cortex
HW Processor interrupts to cortex
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