µPD16435, 16435A

8

Full-Dot X Address and Y Address Allocation

(5)

Character X Address Register (Register Address = 0011B)

Performs character display display, screen X (segment) direction address setting. X addresses include the scroll RAM

area.

After powering on: Undefined

(6)

Character Y Address Register (Register Address = 0100B)

Performs character display display, screen Y (common) direction address setting.

After powering on: Undefined

00H(1)

00H(1)

01H(2)

0EH(15)

48H(73)

01H(2)

X Address

b7 b6

b5

b4 b3 b2 b1

b7 b6

b5

b4 b3 b2 b1 b0

8 Bits

7 Bits

MSB

LSB

× : Don’t Care

b4 b3 b2 b1 b0

Character X address (00H to 15H)

MSB

LSB

× : Don’t Care

b2 b1 b0

Character Y address (00H to 07H)