PT6314-001L PTC [Princeton Technology Corp], PT6314-001L Datasheet - Page 20
PT6314-001L
Manufacturer Part Number
PT6314-001L
Description
Dot Character VFD Controller/Driver IC
Manufacturer
PTC [Princeton Technology Corp]
Datasheet
1.PT6314-001L.pdf
(49 pages)
- Current page: 20 of 49
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Dot Character VFD Controller/Driver IC
8-BIT M68 TYPE PARALLEL DATA TRANSFER
I80 TYPE PARALLEL DATA TRANSFER
The i80 type of parallel data transfer mode is selected when IFSEL is set to “1”and MCU is set to “0”. A
type of pipeline process is performed between LSIs via the bus holder attached to the internal data bus
whenever data is sent from the MCU. It is important to take note that certain restrictions exists in the
read sequence of this display data RAM. The data of the specified address is not generated by the read
instructions issued immediately after the address setup. This data is generated in the when the data is
read the second time. Thus, a dummy read is required whenever the address setup or write cycle
operation is selected. Please refer to the diagrams below.
PT6314 V1.3
R/W
DB7
DB6
DB0
RS
E
Instruction
Write
IR7
IR6
IR0
Instruction
Write
IR7
IR6
IR0
- 20 -
Instruction
BF="0"
Read
IR6
IR0
URL: http://www.princeton.com.tw
Write
Data
D7
D6
D0
Fax: 886-2-29174598
Tel: 886-2-66296288
March, 2006
PT6314
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