GMS81C20XX MASK OPTION LIST
Customer should write inside thick line box.
1. RA/Vdisp
RA without pull-down resistor
Vdisp
(Please check mark√ into
)
2. CONFIG OPTION Check
CONFIG Default Value : X000X0X0
X
X
X
7
6
5
4
3
2
1
0
ADDRESS: 703FH
INITIAL VALUE: -000 -0-0B
R7X PFS1 PFS0
LOCK
RCO
CONFIG
External RC OSC Selection
0: Crystal or Resonator Oscillator
1: External RC Oscillator
R74, R75 Selection
0 : Sub Clock
1 : R74, R75
PFD Level Selection
00: PFD = 2.7V
01: PFD = 2.7V
Code Protect
0 : Allow Code Read Out
1 : Lock Code Read Out
10: PFD = 3.0V
11: PFD = 2.4V
3. H/V Port OPTION Check (Pull-down Option Check )
Option
Option
Option
Option
Port
Port
Port
Port
ON OFF
ON OFF
ON OFF
ON OFF
R00/INT0
R01/INT1
R02/EC0
R03/BUZO
R04
R10
R11
R12
R13
R14
R15
R16
R17
R20
R21
R22
R23
R24
R25
R26
R27
R30
R31
R32
R33
R34
R35
R05
R06
ON : with pull-down resistor
OFF : without pull-down resistor
R07
4. Normal Port OPTION Check ( Pull-up Option Check )
Option
Option
Option
Option
Port
Port
Port
Port
ON OFF
ON OFF
ON OFF
ON OFF
R40/T0O
R41
R50
R51
R60/AN0
R61/AN1
R62/AN2
R63/AN3
R64/AN4
R65/AN5
R66/AN6
R67/AN7
R70/AN8
R71/AN9
R72/AN10
R73/AN11
R42
R52
R43
R53/SCLK
R54/SIN
R55/SOUT
R56/PWM
R57
ON : with pull-up resistor
OFF : without pull-up resistor
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Semiconductor Group of Hyundai Electronics Industries Co., Ltd.
HYNIX [ HYNIX SEMICONDUCTOR ]
