Specifications

100 EPSON S1C6P466 TECHNICAL MANUAL
CHAPTER 6: DIFFERENCES FROM MASK ROM MODELS
CHAPTER 6DIFFERENCES FROM MASK ROM
MODELS
This chapter explains the differences in functions (except for the Flash EEPROM block) between
the S1C6P466 and the mask ROM models (S1C63454, S1C63458 and S1C63466).
6.1 Mask Option
The mask option items are fixed in the S1C6P466 as shown in the table below.
Table 6.1.1 S1C6P466 mask option
Mask option
OSC1 oscillation circuit
OSC3 oscillation circuit
Multiple key entry reset combination
Multiple key entry reset time authorization
Input port pull-up resistor K00
K01
K02
K03
K10
K11
K12
K13
Output port specification R00
R01
R02
R03
R1x
R2x
I/O port specification P0x
P1x
P20
P21
P22
P23
I/O port pull-up resistor P0x
P1x
P20
P21
P22
P23
LCD drive power
Serial interface polarity
SVD circuit external voltage detection
Sound generator buzzer output specification
Setting
Crystal oscillation (32.768 kHz)
Use <ceramic> or Not use
Not use
Not use
With pull-up resistor
With pull-up resistor
With pull-up resistor
With pull-up resistor
With pull-up resistor
With pull-up resistor
With pull-up resistor
With pull-up resistor
Complementary
Complementary
Complementary
Complementary
Complementary
Complementary
Complementary
Complementary
Complementary
Complementary
Complementary
Complementary
With pull-up resistor
With pull-up resistor
With pull-up resistor
With pull-up resistor
With pull-up resistor
With pull-up resistor
Internal power supply
Negative polarity
Use
Positive polarity