\n
address_offset : 0x0 Bytes (0x0)
size : 0x1C byte (0x0)
mem_usage : registers
protection : not protected
address_offset : 0x40 Bytes (0x0)
size : 0x4 byte (0x0)
mem_usage : registers
protection : not protected
ISP Control Register
address_offset : 0x0 Bytes (0x0)
access : read-write
reset_value : 0x0
reset_Mask : 0x0
ISPEN : ISP Enable Control (Write Protect )\nISP function enable bit. Set this bit to enable ISP function.\n
bits : 0 - 0 (1 bit)
access : read-write
Enumeration:
#0 : 0
ISP function Disabled
#1 : 1
ISP function Enabled
End of enumeration elements list.
BS : Boot Select (Write Protect )\nSet/clear this bit to select next booting from LDROM/APROM, respectively. This bit also functions as chip booting status flag, which can be used to check where chip booted from. This bit is initiated with the inversed value of CBS in CONFIG0 after any reset is happened except CPU reset (RSTS_CPU is 1) or system reset (RSTS_SYS) is happened.\n
bits : 1 - 1 (1 bit)
access : read-write
Enumeration:
#0 : 0
Boot from APROM
#1 : 1
Boot from LDROM
End of enumeration elements list.
APUEN : APROM Update Enable Control (Write Protect)\n
bits : 3 - 3 (1 bit)
access : read-write
Enumeration:
#0 : 0
APROM cannot be updated when chip runs in APROM
#1 : 1
APROM can be updated when chip runs in APROM
End of enumeration elements list.
CFGUEN : Enable Config Update By ISP (Write Protect)\n
bits : 4 - 4 (1 bit)
access : read-write
Enumeration:
#0 : 0
ISP update config-bit Disabled
#1 : 1
ISP update config-bit Enabled
End of enumeration elements list.
LDUEN : LDROM Update Enable Control (Write Protect)\n
bits : 5 - 5 (1 bit)
access : read-write
Enumeration:
#0 : 0
LDROM cannot be updated
#1 : 1
LDROM can be updated when chip runs in APROM
End of enumeration elements list.
ISPFF : ISP Fail Flag (Write Protect)\nThis bit is set by hardware when a triggered ISP meets any of the following conditions:\n(1) APROM writes to itself if APUEN is set to 0.\n(2) LDROM writes to itself if LDUEN is set to 0.\n(3) CONFIG is erased/programmed if CFGUEN is set to 0.\n(4) Destination address is illegal, such as over an available range.\nWrite 1 to clear to this bit to 0.
bits : 6 - 6 (1 bit)
access : read-write
ISP Trigger Control Register
address_offset : 0x10 Bytes (0x0)
access : read-write
reset_value : 0x0
reset_Mask : 0x0
ISPGO : ISP Start Trigger (Write Protect)\nWrite 1 to start ISP operation and this bit will be cleared to 0 by hardware automatically when ISP operation is finished.\nThis bit is the protected bit, It means programming this bit needs to write "59h", "16h", "88h" to address 0x5000_0100 to disable register protection. Refer to the register REGWRPROT at address GCR_BA+0x100.
bits : 0 - 0 (1 bit)
access : read-write
Enumeration:
#0 : 0
ISP operation finished
#1 : 1
ISP is in progress
End of enumeration elements list.
Data Flash Base Address
address_offset : 0x14 Bytes (0x0)
access : read-only
reset_value : 0x0
reset_Mask : 0x0
DFBADR : Data Flash Base Address\nThis register indicates Data Flash start address. It is read only.\nWhen DFVSEN is set to 0, the data flash is shared with APROM. The data flash size is defined by user configuration and the content of this register is loaded from Config1.\nWhen DFVSEN is set to 1, the data flash size is fixed as 4K and the start address can be read from this register is fixed at 0x0001_F000.
bits : 0 - 31 (32 bit)
access : read-only
Flash Access Time Control Register
address_offset : 0x18 Bytes (0x0)
access : read-write
reset_value : 0x0
reset_Mask : 0x0
FOMSEL0 : Chip Frequency Optimization Mode Select 0 (Write-Protection Bit)\nWhen CPU frequency is lower than 25 MHz, user can modify flash access delay cycle by FOMSEL1 and FOMSEL0 to improve system performance.\n
bits : 4 - 4 (1 bit)
access : read-write
FOMSEL1 : Chip Frequency Optimization Mode Select1 (Write-protection Bit)
bits : 6 - 6 (1 bit)
access : read-write
ISP Address Register
address_offset : 0x4 Bytes (0x0)
access : read-write
reset_value : 0x0
reset_Mask : 0x0
ISPADR : ISP Address\nThe NuMicro( NUC1311 series has a maximum of 17Kx32 (68 KB) embedded Flash, which supports word program only. ISPADR[1:0] must be kept 00b for ISP operation.
bits : 0 - 31 (32 bit)
access : read-write
ISP Status Register
address_offset : 0x40 Bytes (0x0)
access : read-write
reset_value : 0x0
reset_Mask : 0x0
ISPGO : ISP Start Trigger (Read Only)\nWrite 1 to start ISP operation and this bit will be cleared to 0 by hardware automatically when ISP operation is finished.\nNote: This bit is the same as ISPTRG bit0.
bits : 0 - 0 (1 bit)
access : read-only
Enumeration:
#0 : 0
ISP operation finished
#1 : 1
ISP operation progressed
End of enumeration elements list.
CBS : Chip Boot Selection (Read Only)\nThis is a mirror of CBS in CONFIG0.
bits : 1 - 2 (2 bit)
access : read-only
ISPFF : ISP Fail Flag (Write-Protection Bit)\nThis bit is set by hardware when a triggered ISP meets any of the following conditions:\n(1) APROM writes to itself\n(2) LDROM writes to itself\n(3) CONFIG is erased/programmed if CFGUEN is set to 0\n(4) Destination address is illegal, such as over an available range\nWrite 1 to clear this bit.\nNote: The function of this bit is the same as ISPCON bit6.
bits : 6 - 6 (1 bit)
access : read-write
VECMAP : Vector Page Mapping Address (Read Only)\nThe current flash address space 0x0000_0000~0x0000_01FF is mapping to address {VECMAP[11:0], 9'h000} ~ {VECMAP[11:0], 9'h1FF}.
bits : 9 - 20 (12 bit)
access : read-only
ISP Data Register
address_offset : 0x8 Bytes (0x0)
access : read-write
reset_value : 0x0
reset_Mask : 0x0
ISPDAT : ISP Data\nWrite data to this register before ISP program operation.\nRead data from this register after ISP read operation.
bits : 0 - 31 (32 bit)
access : read-write
ISP Command Register
address_offset : 0xC Bytes (0x0)
access : read-write
reset_value : 0x0
reset_Mask : 0x0
ISPCMD : ISP Command\nISP command table is shown below:\n
bits : 0 - 5 (6 bit)
access : read-write
Enumeration:
0x00 : 0
Read
0x04 : 4
Read Unique ID
0x0b : 11
Read Company ID (0xDA)
0x21 : 33
Program
0x22 : 34
Page Erase
0x2e : 46
Set Vector Page Re-Map
End of enumeration elements list.
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