GMS81C2112 Datasheet, PDF (107/107 Pages) Hynix Semiconductor – HYNIX SEMICONDUCTOR 8-BIT SINGLE-CHIP MICROCONTROLLERS

GMS81C21XX 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
XX
X
X
CONFIG Default Value : XX00X0X0
7
6
5
4
3
2
1
0
CONFIG
PFS1 PFS0
LOCK
RCO
ADDRESS: 703FH
INITIAL VALUE: --00 -0-0_B
PFD Level Selection
00: PFD = 2.7V
01: PFD = 2.7V
10: PFD = 3.0V
11: PFD = 2.4V
External RC OSC Selection
0: Crystal or Resonator Oscillator
1: External RC Oscillator
Code Protect
0 : Allow Code Read Out
1 : Lock Code Read Out
3. H/V Port OPTION Check (Pull-down Option Check )
Option
Port
ON OFF
R00/INT0
R01/INT1
R02/EC0
R03/BUZO
R04
R05
R06
R07
Option
Port
ON OFF
R20
R21
R22
R23
R24
R25
R26
R27
Option
Port
ON OFF
R30
R31
R32
R33
R34
ON : with pull-down resistor
OFF : without pull-down resistor
4. Normal Port OPTION Check ( Pull-up Option Check )
O p tio n
Port
ON OFF
R 5 3 /S C L K
R 54 /S IN
R 55/SO U T
R56/PW M
R57
Port
R60/AN0
R61/AN1
R62/AN2
R63/AN3
R64/AN4
R65/AN5
R66/AN6
R67/AN7
Option
ON OFF
ON : with pull-up resistor
OFF : without pull-up resistor