SM59264IHHK SYNCMOS [SyncMOS Technologies,Inc], SM59264IHHK Datasheet - Page 14

• Manufacturer Part Number: SM59264IHHK
• Description: 8 - Bit Micro-controller with 128KB flash & 1KB RAM embedded
• Manufacturer: SYNCMOS [SyncMOS Technologies,Inc]

Specifications subject to change without notice,contact your sales representatives for the most recent information.
User can initiate general 8052 UART function to initiate the ISP service program. After ISP service program executed, user
need to reset the SM59264, either by hardware reset or by WDT, or jump to the address $0000 to re-start the firmware pro-
gram.
3.5 ISP Registers - System Control Register (SCONF, $BF)
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 over-
lay 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)
ISP Registers - Flash Address-Low Register (ISPFAL, $F5)
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 over-
lay with the ISP service program space address, the flash program/page erase of ISP function executed thereafter will have
no effect.
FA15 ~ FA8: flash address-high for ISP function
FA7 ~ FA0: flash address-low for ISP function
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.
Read:
Write:
Reset value:
Read:
Write:
Reset value:
Read:
Write:
Reset value:
SyncMOS Technologies Inc.
May 2002
WDR
FA15
bit-7
bit-7
bit-7
FA7
0
0
0
Unused
FA14
FA6
0
0
0
Unused
FA13
FA5
0
0
0
Unused
FA12
FA4
0
0
0
14/32
DFEN
FA11
FA3
0
0
0
FA10
ISPE
FA2
0
0
0
OME
FA9
FA1
0
0
0
Ver 1.0 PID 59264 05/02
ALEI
bit-0
bit-0
bit-0
SM59264
FA8
FA0
0
0
0