PT6301(2012) 查看數據表（PDF） - Princeton Technology

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PT6301
(Rev.:2012)

5 x 7 Dot Character x 20-Digit x 2-Line Display Controller/Driver with Character RAM

Princeton Technology 

PT6301

2 AND A. CGRAM DATA WRITE

(Specifies the addresses of CGRAM and write character pattern data)

CGRAM (Character Generator RAM) has 16 address x 35-bit RAM to store 5 x 7 dot matrix character patterns. A

character pattern stored in CGRAM can be displayed by specifying the character code in a DCRAM. The address of

CGRAM is assigned to 00H to 0FH. (All other addresses are CGROM addresses.) CGRAM can store 16 types of

character patterns.

COMMAND FORMAT

MSB

1st Byte B7 B6 B5 B4 B3 B2 B1

(1st)

0/1 0 1 0 X3 X2 X1

Note: 0: Select CGRAM_A, 1: Select CGRAM_B

MSB

2nd Byte B7 B6 B5 B4 B3 B2 B1

(2nd)

* C30 C25 C20 C15 C10 C5

LSB

B0 Select CGRAM data write mode and specifies

X0

CGRAM address (Ex. Specifies CGRAM address

00H)

LSB

B0

C0

Specifies 1st column data

(written into CGRAM address 00H)

MSB

LSB

3rd Byte

(3rd)

B7 B6 B5 B4 B3 B2 B1

* C31 C26 C21 C16 C11 C6

B0 Specifies 2nd column data

C1 (written into CGRAM address 00H)

4th Byte

(4th)

MSB

LSB

B7 B6 B5 B4 B3 B2 B1 B0 Specifies 3rd column data

* C32 C27 C22 C17 C12 C7 C2 (written into CGRAM address 00H)

5th Byte

(5th)

MSB

B7 B6 B5 B4 B3 B2 B1

* C33 C28 C23 C18 C13 C8

LSB

B0 Specifies 4th column data

C3 (written into CGRAM address 00H)

6th Byte

(6th)

MSB

B7 B6 B5 B4 B3 B2 B1

* C34 C29 C24 C19 C14 C9

LSB

B0 Specifies 5th column data

C4 (written into CGRAM address 00H)

To specify the character pattern data continuously to the next address, specify only character pattern data as follows.

The address of CGRAM is automatically incremented. Specification of an address is unnecessary.

The 2nd to 6th byte (character pattern data) are regarded as one data item, so 200ns is sufficient for tDOFF time between

bytes.

V1.2

10

March 2012

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