PRELIMINARY ISD1700 SERIES
Publication Release Date: Nov 6, 2008
- 46 -
Revision 1.31
11.2.1 PLAY (0x40)
B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 B13 B14 B15
SCLK
MOSI
MISO
SS
Data Byte 1
Command (40h)
LSB
MSB
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
LSB
MSB
Status Register 0 : Bytes #1 & #2
PLAY
Opcode: 0x40 0x00
Interrupt: Yes
Byte Sequence:
MOSI
0x40
0x00
MISO SR0
Description:
Device starts to playback from current PLAY_PTR
State before Execution
Idle
State after Execution
Idle
Registers Affected
SR0, SR1: PLAY & RDY bits
The PLAY command starts playback operation from current message and stops when it
reaches EOM or receives STOP command. During playback, the device only responds to
STOP, RESET, CLR_INT, RD_STATUS and PD commands. The CMD_ERR of SR0 is set
when other commands are sent. Both RDY and PLAY bits of SR1 are Low during PLAY.
11.2.2 REC (0x41)
B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 B13 B14 B15
SCLK
MOSI
MISO
SS
Data Byte 1
Command (41h)
LSB
MSB
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
LSB
MSB
Status Register 0 : Bytes #1 & #2
REC
Opcode: 0x41 0x00
Interrupt: Yes
Byte Sequence:
MOSI
0x41
0x00
MISO SR0
Description:
Device will record from current REC_PTR
State before Execution
Idle
State after Execution
Idle
