EM73P461A
4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
PIN DESCRIPTIONS
Symbol
Pin-type
Function
VDD
Power supply (+)
Power supply (+) for programming OTP
Power supply (-)
VSS
Power supply (-) for programming OTP
System reset input signal, low active
Reset input signal for programming OTP
Always internal pull-up
RESET
RESET-A
OSC-I
CLK
RC clock source connecting pin
LXIN
LXOUT
OSC-B/OSC-H1Crystal/RC connecting pin for low speed clock source
OSC-B
Crystal connecting pin for low speed clock source
P0(0..3)/WAKEUP0..3 INPUT-K
4-bit input port with IDLE releasing function
P0.0/ACLK : address counter clock for programming OTP
P0.1/PGMB : program data to OTP cells for programming OTP
P0.2/OEB : data output enable for programming OTP
P0.3/DCLK : data in/out clock signal for programming OTP
mask option :
wakeup enable, negative edge release, pull-up
wakeup enable, negative edge release, none
wakeup enable, positive edge release, pull-down
wakeup enable, positive edge release, none
wakeup disable, pull-up
wakeup disable, pull-down
wakeup disable, none
P4.0/SOUND
P4.1/TRGH
P4(2,3)
I/O-R
I/O-Q
I/O-Q
1-bit bidirection I/O port or inverse sound effect output
mask option :
SOUND enable, high current push-pull
SOUND disable, open-drain
SOUND disable, low current push-pull
SOUND disable, normal current push-pull
SOUND disable, high current push-pull
1-bit bidirection I/O port with HTC external input
mask option :
NMOS open-drain
PMOS open-drain
low current push-pull
normal current push-pull
high current push-pull
2-bit bidirection I/O port with high current source
mask option :
NMOS open-drain
PMOS open-drain
low current push-pull
normal current push-pull
high current push-pull
* This specification are subject to be changed without notice.
12.27.2001
3
ELAN [ ELAN MICROELECTRONICS CORP ]
