Specifications
Table Of Contents
- Technical Hardware
- 1 OVERVIEW
- 2 POWER SUPPLY AND INITIAL RESET
- 3 CPU, ROM, RAM
- 4 PERIPHERAL CIRCUITS AND OPERATION
- 4.1 Memory Map
- 4.2 Resetting Watchdog Timer
- 4.3 Oscillation Circuit
- 4.4 Input Ports (K00–K03, K10)
- 4.5 Output Ports (R00–R03)
- 4.6 I/O Ports (P00–P03, P10–P13, P20–P23)
- 4.7 LCD Driver (COM0–COM3, SEG0–SEG31)
- 4.8 Clock Timer
- 4.9 Stopwatch Timer
- 4.10 Programmable Timer
- 4.11 Serial Interface (SIN, SOUT, SCLK, SRDY)
- 4.12 A/D Converter
- 4.13 General-purpose Operation Amplifier (AMP)
- 4.14 SVD (Supply Voltage Detection) Circuit
- 4.15 Interrupt and HALT/SLEEP
- 5 SUMMARY OF NOTES
- 6 DIAGRAM OF BASIC EXTERNAL CONNECTIONS
- 7 CHARACTERISTICS
- 8 PACKAGE
- 9 PAD LAYOUT
- Technical Software
- 1 INTRODUCTION
- 2 BLOCK DIAGRAM
- 3 PROGRAM MEMORY (ROM)
- 4 DATA MEMORY
- 5 INITIAL RESET
- 6 PERIPHERAL CIRCUITS
- 6.1 Watchdog Timer
- 6.2 OSC3
- 6.3 Input Ports (K00–K03 and K10)
- 6.4 Output Ports (R00–R03)
- 6.5 I/O Ports (P00–P03, P10–P13 and P20–P23)
- 6.6 LCD Driver
- 6.7 Clock Timer
- 6.8 Stopwatch Timer
- 6.9 Programmable Timer
- 6.10 Serial Interface Circuit
- 6.11 Amplifier
- 6.12 SVD (Supply Voltage Detection) Circuit
- 6.13 A/D Converter
- 6.14 Sleep
- 6.15 Interrupt
- 7 SUMMARY OF NOTES
- APPENDIX
S1C62740 TECHNICAL HARDWARE EPSON I-127
CHAPTER 7: ELECTRICAL CHARACTERISTICS
Middle electric potential (GND) generation circuit
If no special requirement
VDD = VDDA = 3 V, VSS = VSSA = 0 V, fOSC1 = 32.768 kHz, CG = 25 pF, Ta = 25°C, VD1, VC1, VC2 and VC3 are internal
voltage, C1–C6 = 0.1 µF
* GNDON is mark of GNDON1 or GNDON0.
GND
O
GND
I
I
GND
I
OH
I
OL1
I
OL2
I
OL3
GND/T
a
I
GND1
I
GND2
I
GND3
V
DDA
/2
-0.05
V
DDA
/2
-0.05
0
10.0
20.0
40.0
-30
V
DDA
/2
V
DDA
/2
0.5
125
250
500
V
DDA
/2
+0.05
V
DDA
/2
+0.05
1.0
-100
30
10.0
500
1000
2000
V
V
µA
µA
µA
µA
µA
ppm/°C
mV/V
µA
Output voltage
Input voltage
Input current
High level output current
Low level output current (1)
Low level output current (2)
Low level output current (3)
Temperature characteristics
Supply voltage characteristics
Power current consumption
GNDON = "01, 10, 11"
GNDON = "00"
GNDON = "00", A/D related are all OFF.
Current that flows in external parts is not included.
GNDON = "01, 10, 11"
V
OH
= GND - 10 mV
GNDON = "01"
V
OL1
= GND + 10 mV
GNDON = "10"
V
OL2
= GND + 10 mV
GNDON = "11"
V
OL3
= GND + 10 mV
Ta = 0 to 50°C (25°C standard)
GNDON = "01, 10, 11"
V
DDA
= 2.4 to 5.5 V
GNDON = "01, 10, 11"
GNDON = "01"
GNDON = "10"
GNDON = "11"
GND/V
DDA
Item
Symbol
Min. Typ. Max. UnitCondition