參數(shù)資料
型號(hào): PCF2119X-2
廠商: NXP Semiconductors N.V.
英文描述: LCD controllers/drivers
中文描述: LCD控制器/驅(qū)動(dòng)器
文件頁(yè)數(shù): 23/60頁(yè)
文件大小: 284K
代理商: PCF2119X-2
28. August 2000
23
Philips Semiconductors
Product specification
LCD controllers/drivers
PCF2119x-2
Fig.14 4-bit transfer example.
MGA804
RS
E
DB7
R/W
DB6
DB5
DB4
instruction
write
busy flag and
address counter read
data register
read
IR7
IR3
BF
AC3
DR7
DR3
IR6
IR2
AC6
AC2
DR6
DR2
IR5
IR1
AC5
AC1
DR5
DR1
IR4
IR0
AC4
AC0
DR4
DR0
Fig.15 An example of 4-bit data transfer timing sequence.
IR7, IR3: instruction 7th, 3rd bit.
AC3: address counter 3rd bit.
D7, D3: data 7th, 3rd bit.
MGA805
RS
E
internal
DB7
R/W
internal operation
IR7
IR3
AC3
D7
D3
not
busy
AC3
busy
instruction
write
busy flag
check
busy flag
check
instruction
write
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