TMP86C993XB Toshiba, TMP86C993XB Datasheet - Page 196

• Manufacturer Part Number: TMP86C993XB
• Description: EMULATION CHIP FOR TMP86F SSOP
• Manufacturer: Toshiba

Specifications of TMP86C993XB

• Accessory Type: Adapter
• For Use With/related Products: TMP86F SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

18.4
Access to the Flash Memory Area
Example :After chip erasure, the program in the RAM area writes data 3FH to address F000H.
; #### Flash Memory Chip erase Process ####
sLOOP1:
; #### Flash Memory Write Process ####
sLOOP2:
sLOOP3:
DI
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
CMP
JR
LD
LD
LD
LD
LD
CMP
JR
LD
JP
(FLSCR),00111000B
IX,0F555H
IY,0FAAAH
HL,0F000H
(IX),0AAH
(IY),55H
(IX),80H
(IX),0AAH
(IY),55H
(IX),10H
W,(HL)
W,(HL)
NZ,sLOOP1
(IX),0AAH
(IY),55H
(IX),0A0H
(HL),3FH
W,(HL)
W,(HL)
NZ,sLOOP2
(FLSCR),11001000B
sLOOP3
Page 182
: Disable interrupts (IMF←"0")
: Enable command sequence execution.
: 1st bus write cycle
: 2nd bus write cycle
: 3rd bus write cycle
: 4th bus write cycle
: 5th bus write cycle
: 6th bus write cycle
: Loop until the same value is read.
: 1st bus write cycle
: 2nd bus write cycle
: 3rd bus write cycle
: 4th bus write cycle, (F000H)=3FH
: Loop until the same value is read.
: Disable command sequence execution.
TMP86FH92DMG