 |
4-Bit MCU
|
|
| IC Part No. |
Memory Type |
Supply Voltage
(V) |
ROM
(Bit) |
RAM
(Nibble) |
I/P |
O/P |
I/O |
LCD |
Speech
@6K |
Other
Function |
Package-Lead Count |
EM73866
|
MASK
|
2.2~6.0
|
8K x 8
|
500
|
8
|
-
|
20*
|
32 x 4
|
-
|
WDT, SG, HSC
|
-
|
EM73P968
|
OTP
|
2.2~5.0
|
16K x 8
|
2548
|
4
|
9
|
32
|
52 x 5
|
-
|
WDT, A/D, SG,
HSC, SPI
|
QFP-128L
|
|
| *: Some pins are shared with LCD segment pins. |
SG: Sound Generator |
OTP: One Time Programmable |
| IR-- Infrared Control |
DTMF: Dual Tone Multiple Frequency. |
CDA: Current DA |
| WDT: Watch Dog Timer |
AS: Analog Switch |
HSC: High Speed Counter |
| SI: Serial Interface |
AMP: OPOP Amplifier |
LCDR: LCD Voltage Regulator |
| VR: Voltage Regulator |
DTS: Date Time Stamp |
|
| RFO: Resistance to Frequency OSC |
LVD: Low Voltage Detector |
|
| PWM: Pulse Width Modulation |
HSC: High Speed Counter |
|
| |
LVR: Low Voltage Reset |
|
|
|
|
|
