
King Billion Electronics Co., Ltd
駿
億
電
子
股
份
有
限
公
司
HE84770
HE80000 SERIES
August 25, 2003
This specification is subject to change without notice. Please contact sales person for the latest version before use.
Page 29 of 30
V2.6E
.area
swapping_page(code,pag0)
;======================================================
;swap page function
;======================================================
swap_page::
lda #10h
sta _mapreg1
lda #00h
sta r_iceco
lda _mapreg2
sta r_iced
lda _mapreg2
anda #0fh
ora #20h
;
sta r1Ch
sta r_ps1
lda _mapreg2
rorc
rorc
rorc
rorc
anda #0fh
; P1E_O[2] <--0 to enable Port R1Fh
; R_ICECO is write only
;Mapping _mapreg2 low nibble to Logical segment2
;Mapping _mapreg2 high nibble to Logical segment3
ora #30h
sta r_ps1
sta r1Ch
ret
;
22.
Updated Record
Version
V2.2
Date
Nov 27,2001
B, H
Section
Original Content
New Content
2.2V (VDD operation voltage)
2.4V
32 COM : ~64Hz -> ~170Hz
48 COM : ~64Hz -> ~110Hz
No
VDD_RAM, replaced by VDD
MO_LCDKEY
=0: LCD SGKY[43:24]
as SEG pin only
TSTP_P pin connect with zero Ohm
V2.3
Dec 13, 2001
B
LCD Refresh Rate
V2.4
Dec 14, 2001
D,F,G, I
VDD_RAM
V2.41
Dec 19, 2001
D
MO_LCDKEY
=1: LCD SGKY[43:24]
as SEG pin only
TSTP_P pin Floating
V2.42
May 29, 2003
J