414
Tibbo Project System (TPS)
© Tibbo Technology Inc.
The reset line is not really necessary. You can be certain what pattern is displayed
by the LEDs for as long as you generate five clock cycles every time you send new
data into this circuit.
Buzzer
The buzzer of the TPP2 is connected to the GPIO45/CO line.
Your application can control the buzzer through the "beeper" (beep.) object (see
TIDE, TiOS, Tibbo BASIC, and Tibbo C Manual). Recommended value for the
beep.divider property is 21600.
LCD Display Connector (TPP2 only)
The TPP2 can control an LCD display of the
. The TPB2L product has a
320x240 TFT LCD display with onboard controller. The following GPIO lines are used
to control the LCD:
GPIO
line/port
Function
Port 0
8-bit bi-directional data bus
GPIO40
CS
GPIO41
RD
GPIO42
WR
GPIO43
DC
GPIO55
RST
GPIO54
Backlight (ON when LOW)
LCD control is the responsibility of the lcd. object. See TIDE, TiOS, Tibbo BASIC,
and Tibbo C Manual for details.
Keypad Connector (TPP2 only)
The TPP2 can control a 4-key sensor keypad of the
. The following GPIO
lines are used to work with the keypad:
GPIO
line/port
Function
GPIO44
Reset (active LOW)
GPIO36
Return line 1 (left button)
GPIO37
Return line 2
GPIO38
Return line 3
GPIO39
Return line 4 (right button)
Keypad handling is the responsibility of the kp. object. See TIDE, TiOS, Tibbo BASIC,
and Tibbo C Manual for details.