Z8 encore! xp® mcus, Lcd control, Z8 encore! xp – Zilog Z8F0411 User Manual
Page 67: Mcus
MDS General-Purpose Board Development Kit
User Manual
UM016905-1207
Appendix—MDS-PM Board Pin Maps
56
Z8 Encore! XP
®
MCUs
LCD Control
The LCD has two different modes of operation, 4-bit bus mode and I
2
C
drive mode, controlled by jumper J26:
•
J26 OFF, LCD bus mode enabled
•
J26 ON, LCD I
2
C drive mode enabled
Bus Mode LCD Control
•
LCD_EN—RESET/PD0
•
LCD_RS—PA7_T1OUT (Also D3 Yellow LED on MDS-PM)
•
LCD_RW—PA0_TOIN
•
LCD_D4—PC0_ANA4
•
LCD_D5—PC1_ANA5
•
LCD_D6—PC2_ANA6
•
LCD_D7—PB4_ANA7
I
2
C Drive Mode LCD Control
U13 I
2
C bus address: 0100001 R/W.
Z8 Encore! XP
®
I
2
C pins on PB6 and PB7.
•
LCD_EN—I
2
C bus expander address 1—D3
•
LCD_RS—PA7_T1OUT
(Also D3 Yellow LED on processor module)
•
LCD_RW—PA0_TOIN
•
LCD_D4—I
2
C bus expander address 1—D4
•
LCD_D5—I
2
C bus expander address 1—D5