Buzzer control, Keypad control, Led control – Zilog Z8F0411 User Manual
Page 68: Buzzer control keypad control led control
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MDS General-Purpose Board Development Kit
User Manual
UM016905-1207
Appendix—MDS-PM Board Pin Maps
57
•
LCD_D6—I
2
C bus expander address 1—D6
•
LCD_D7—I
2
C bus expander address 1—D7
Buzzer Control
BUZZER—PA1_TOOUT
KeyPad Control
•
COL0—PA6_T1OUT
(Also D2 green LED control on MDS-PM Board)
•
COL1—PB5
•
COL2—PC3_COUT
(Also D4 Red LED control on MDS-PM Board)
•
ROW0—PC6
•
ROW1—PC7
•
ROW2—PC5
•
ROW3—PC4
•
IRQ_KEYPAD_TEMP—PA2
(Also SW2 test input on MDS processor module)
LED Control
U13 I
2
C bus address: 0100001 R/W.
•
RED_LED—I
2
C bus expander address 1—D0
•
YELLOW_LED—I
2
C bus expander address 1—D1
•
GREEN_LED—I
2
C bus expander address 1—D2
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