EM73362
4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
PIN DESCRIPTIONS
Pin name
Function
PIN type
VDD
VSS
Power supply (+)
Power supply (-)
RESET
System reset input signal, low active
mask option : none
RESET_A
pull-up
XIN
Crystal / external resistor or external clock source
connecting pin
OSC_A / OSC_F
XOUT
P0.0(INT1)/WAKEUP0,
P0.2(INT0)/WAKEUP2
Crystal / external resistor connecting pin
2-bit input pins with external interrupt sources input
and STOP/IDLE releasing function
mask option : wake-up enable, pull-up
wakeup enable, none
OSC_A / OSC_F
INPUT_J
wakeup disable, pull-up
wakeup disable, pull-down
wakeup disable, none
P0(1,3)/WAKEUP1,3
P4.0(RX)/TONE
2-bit input pins with STOP / IDLE releasing function
mask option : wakeup enable, pull-up
wakeup enable, none
wakeup disable, pull-up
wakeup disable, pull-down
wakeup disable, none
1-bit bidirection I/O pin or inverse sound effect output or
RF oscillation
INPUT_H
I/O_O
mask option : TONE enable, push-pull, high current PMOS
TONE disable, open-drain(apply to RF oscillation)
TONE disable, push-pull, high current PMOS
TONE disable, push-pull, low current PMOS
1-bit bidirection I/O pin or RF oscillation bias pin
mask option : open-drain(apply to RF oscillation)
push-pull, high current PMOS
P4.1(CS)
I/O_X
I/O_Y
I/O_O
push-pull, low current PMOS
P4.2(RY), P4.3(RZ)
2-bit bidirection I/O pins or RF oscillation input pins
mask option : open-drain(apply to RF oscillation)
push-pull, high current PMOS
push-pull, low current PMOS
P6(0..3)/SEG(23..26),
P7(0..3)/SEG(19..22),
P8(0..3)/SEG(15..18)
12-bit bidirection I/O pins are shared with LCD segment pin
mask option : segment enable, open-drain
segment disable, open-drain
segment disable, push-pull, high current PMOS
segment disable, push-pull, low current PMOS
Connect the capacitor for built-in low battery detector
Built-in tone generator output
BAT
TONE
VA, VB, VEE
COM0 ~ COM2
SEG0 ~ SEG14
TEST
Connect the capacitors for LCD bias voltage
LCD common output pins
LCD segment output pins
Tie Vss as package type, no connecting as COB type.
* This specification are subject to be changed without notice.
10.8.2001
3
ELAN [ ELAN MICROELECTRONICS CORP ]
