EM6622 Datasheet PDF - EM Microelectronic
| Part Number | EM6622 | |
| Description | Ultra-low power microcontroller | |
| Manufacturers | EM Microelectronic | |
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EM MICROELECTRONIC - MARIN SA
EM6622
Ultra Low Power Microcontroller with 4x32 LCD Driver
Features
• Low Power - 3.0 µA active mode, LCD On
- 0.6 µA standby mode, LCD Off
- 0.2 µA sleep mode
@ 1.5 V, 32 KHz, 25 ºC
• Low Voltage - 1.2 to 3.6 V
• 2 clocks per instruction cycle
• 72 basic instructions
• ROM 4k x 16 bits
• RAM 128 x 4 bits
• Max. 12 inputs ; port A, port B, port SP
• Max. 8 outputs ; port B, port SP
• Voltage Level Detector, 8 levels software
selectable from 1.2 V up to 4.0 V
• Melody, 7 tones + silence inclusive 4-bit timer
• Universal 10-bit counter, PWM, event counter
• Prescaler down to 1 second ( crystal = 32 KHz )
• 1/1000 sec 12 bit binary coded decimal counter
with hard or software start/stop function
• LCD 32 Segments, 3 or 4 times multiplexed
• 3 wire serial port , 8 bit, master and slave mode
• 5 external interrupts (port A, serial interface)
• 8 internal interrupts (3x prescaler, BCD counter
2x10-bit counter, melody timer, serial interface)
• timer watchdog and oscillation supervisor
Description
The EM6622 is an advanced single chip low cost
CMOS 4-bit microcontroller. It contains ROM, RAM,
LCD driver, power on reset, watchdog timer,
oscillation detection circuit, 10-bit up/down and
event counter, 1ms BCD counter, prescaler, voltage
level detector (Vld), serial interface and several
clock functions. The low voltage feature and low
power consumption make it the most suitable
controller for battery, stand alone and mobile
equipment. The EM6622 is manufactured using EM
Microelectronic's advanced low power (ALP) CMOS
process.
Typical Applications
• Timing device
• Automotive controls with display
• Intelligent display driver
• Measurement equipment
• Domestic appliance
• Interactive system with display
• Timer / sports timing devices
• Bicycle computers
• Safety and security devices
Figure 1. Architecture
Figure 2. Pin Configuration, TQFP64 10 * 10 * 1 mm
Copyright 2002, EM Microelectronic-Marin SA
1
03/02 REV. C/445
www.emmicroelectronic.com
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EM6622
Chip TQFP DIL
64 64 Signal Name
Function
Remarks
46 51
43
PSP[0]
Input/output , open drain
Serial interface data in
serial port : SIN
or
parallel out terminal 0
parallel data[0] in/out
47 52
44
PSP[1]
Output , open drain
Serial interface Ready CS
serial port : Ready/CS
or
parallel out terminal 1
parallel data[1] in/out
48 53
45
PSP[2]
Output , open drain
Serial interface data out
serial port : SOUT
or
parallel out terminal 2
parallel data[2] in/out
49 54
46
PSP[3]
Input/output , open drain
Serial interface clock I/O
serial port : SCLK
or
parallel out terminal 3
parallel data[3] in/out
50 55
47
PB[0]
Input/output, open drain
Port B data[0] I/O or
port B terminal 0
Ck[1] output
51 56
48
PB[1]
Input/output, open drain
Port B data[1] I/O or
port B terminal 1
Ck[11] output
52 57
49
PB[2]
Input/output, open drain
Port B data[2] I/O or
port B terminal 2
Ck[16] output
53 58
50
PB[3]
Input/output, open drain
Port B data[3] I/O or
port B terminal 3
PWM output
54 59
51
PA[0]
Input port A terminal 0
TestVar 1 ; Event counter
55 60
52
PA[1]
Input port A terminal 1
TestVar 2
56 61
53
PA[2]
Input port A terminal 2
TestVar 3
57 62
54
PA[3]
Input port A terminal 3
Event counter, MSC start/stop
58 63
55
Buzzer
Output Buzzer terminal
59 64
56
Strobe
Output Strobe terminal
µP reset state or/and port B write
or sleep flag out
60 1
57 Vbat = VDD
Positive power supply
MFP Connection
61 2
58
Vreg
Internal voltage regulator
Connect to minimum 100nF,
MFP connection
62 3
59 Qin/Osc1
Crystal terminal 1
32 KHz crystal, MFP connection
63 4
60 Qout /Osc2
Crystal terminal 2
32 KHz crystal, MFP connection
64 5
61
VSS
Negative power supply
ref. terminal, MFP connection
Gray shaded areas : Terminals needed for MFP programming connections (VDD, Vreg, Qin, Qout, Test).
Figure 3. Typical Configuration
L C D D is p la y
C rysta l
A ll C a p a c ito rs 1 0 0 n F
C1
VL1
C O M [4 :1 ]
S E G [3 2 :1 ]
Q in O out
C1 VL2
C1
VL3
Reset
C2
C1A
C1B
C2 C2A
C2B
EM 6622
V D D (V bat)
V reg
Port A
Test
Port B
Port S P
Buzzer
S tro b e
VSS
C3 C4
Copyright 2002, EM Microelectronic-Marin SA
5
03/02 REV. C/445
www.emmicroelectronic.com
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for EM6622 electronic component. |
| Information | Total 30 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ EM6622.PDF Datasheet ] | |
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