sm59264 SyncMOS Technologies,Inc, sm59264 Datasheet - Page 16

• Manufacturer Part Number: sm59264
• Description: 8-bits Micro-controller With 128kb Flash & 1kb Ram & Twsi & Spwm Embedded
• Manufacturer: SyncMOS Technologies,Inc

The bit 2 (ISPE) of SCONF is ISP enable bit. User can enable overall ISP function by setting ISPE bit to 1, setting ISPE
to 0 will disable overall ISP function.
The function of ISPE behaves like a security key. User can disable overall ISP function to prevent software program be
erased accidentally.
3.6 ISP Registers: ISPFAH, ISPFAL, ISPFD and ISPC registers
The ISPFAH & ISPFAL provide the 16-bit flash memory address for ISP function. The flash memory address should
not include the ISP service program space address. If the flash memory address indicated by ISPFAH & ISPFAL
registers overlay with the ISP service program space address, the flash program/page erase of ISP function executed
thereafter will have no effect.
When performing byte program ISP function, the content of ISPFD register will be programmed to the flash address
which indicated by ISPFAH and ISPFAL registers.
ISP Registers- Flash Address-High Register (ISPFAH, $F4)
FA15 ~ FA8: flash address-high for ISP function
ISP Registers - Flash Address-Low Register (ISPFAL, $F5)
FA7 ~ FA0: flash address-low for ISP function
The ISPFAH & ISPFAL provide the 16-bit flash memory address for ISP function. The flash memory address should
not include the ISP service program space address. If the flash memory address indicated by ISPFAH & ISPFAL
registers overlay with the ISP service program space address, the flash program/page erase of ISP function executed
thereafter will have no effect.
ISP Registers - Flash Data Register (ISPFD, $F6)
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M012 Ver B SM59264
3.5 ISP Registers - System Control Register (SCONF, $BF)
Read / Write:
Read / Write:
Read / Write:
Reset value:
Reset value:
Reset value:
SyncMOS Technologies International, Inc.
WDTE
FA15
bit-7
R/W
bit-7
R/W
bit-7
R/W
FA7
0
0
0
Unused
FA14
R/W
R/W
FA6
0
0
-
*
Unused
FA13
R/W
R/W
FA5
0
0
-
*
with 128KB flash & 1KB RAM & TWSI & SPWM embedded
Unused
FA12
R/W
R/W
FA4
16
0
0
*
-
DFEN
FA11
R/W
R/W
R/W
FA3
0
0
0
FA10
ISPE
R/W
R/W
R/W
FA2
0
0
0
8-Bits Micro-controller
OME
R/W
R/W
R/W
FA9
FA1
0
0
0
SM59264
ALEI
bit-0
R/W
bit-0
R/W
bit-0
R/W
FA8
FA0
05/2009
0
0
0