參數(shù)資料
型號(hào)： HD66841
廠商： Hitachi,Ltd.
英文描述： LVIC-II (LCD Video Interface Controller)(LCD視頻控制器)
中文描述： LVIC - 2（液晶視頻接口控制器）（液晶顯示視頻控制器）
文件頁(yè)數(shù)： 8/62頁(yè)
文件大小： 185K
代理商： HD66841
HD66841
8
MPU Interface
CS
:
The MPU selects the LVIC when
CS
is low.
WR
:
The MPU inputs the
WR
write signal to write data into internal registers of the LVIC. The MPU can
write data when
WR
is low and cannot write data when high.
RD
:
The MPU inputs the
RD
read signal to read data from internal registers of the LVIC. The MPU can
read data when
RD
is low and cannot read data when high.
RS:
The MPU inputs the RS signal together with
CS
to select internal registers. The MPU selects data
registers (R0–R15) when RS is high and
CS
is low, and selects the address register (AR) when RS is low
and
CS
is low.
D0–D3:
D0–D3 transfer internal register data between the MPU and LVIC.
RES
:
RES
inputs the external reset signal.
ROM Interface
A0–A4:
A0–A4 output address 0 to address 4 to an external ROM.
D0–D3:
D0–D3 input data from an external ROM to internal registers.
PLL Circuit Interface
CD
:
CD
outputs the charge down signal to an external charge pump.
CU
:
CU
outputs the charge up signal to an external charge pump.
Table 2
Programming Method Selection
PMOD
1
PMOD
0
Programming Method
0
0
Pin programming
0
1
Internal register
programming
MPU
1
0
ROM
1
Note:
1
Prohibited*
*
This combination is for test mode: it disables display.
相關(guān)PDF資料
PDF描述
HD68000Y-10 MPU(MICRO PROCESSING UNIT)
HD68HC000Y-10 MPU(MICRO PROCESSING UNIT)
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