PRELIMINARY ISD1700 SERIES
Publication Release Date: Nov 6, 2008
- 53 -
Revision 1.31
11.3.4 WR_NVCFG (0x46) Write APC data into Non-Volatile Memory
B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 B13 B14 B15
SCLK
MOSI
MISO
SS
Data Byte 1
Command (46h)
LSB
MSB
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
MSB LSB
Status Register 0 : Bytes #1 & #2
WR_NVCFG
Opcode 0x46 0x00 Interrupt No
Byte Sequence:
MOSI
0x46
0x00
MISO SR0
Description:
Write the current content of the APC register into the NVCFG register
State before Execution
Idle
State after Execution
Idle
Registers Affected
None
This command writes the data of the APC register into the NVCFG register. This value is
loaded from NVCFG register to the APC register after a power-on condition or RESET. The
CMD_ERR bit of SR0 is set if ISD1700 is not in idle state when this command is sent.
11.3.5 LD_NVCFG (0x47) Load APC register from Non-Volatile Memory
B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 B13 B14 B15
SCLK
MOSI
MISO
SS
Data Byte 1
Command (47h)
LSB
MSB
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
MSB LSB
Status Register 0 : Bytes #1 & #2
LD_NVCFG
Opcode 0x47 0x00 Interrupt No
Byte Sequence:
MOSI
0x47
0x00
MISO SR0
Description:
Load the current non-volatile NVCFG to the APC register.
State before Execution
Idle
State after Execution
Idle
Registers Affected
APC
This command loads the contents of the NVCFG register into the APC register. The
CMD_ERR bit of SR0 is set if ISD1700 is not in idle state when this command is sent.
