EM6607 EM Microelectronic, EM6607 Datasheet - Page 8

• Manufacturer Part Number: EM6607
• Description: Ultra-low power microcontroller
• Manufacturer: EM Microelectronic

Table 2.
T able 3 shows the status of different EM6607 blocks in these three main operating modes.
1 3 1 H
Table 3.
3
The EM6607 is supplied by a single external power supply between V
built-in voltage regulator generates V
supplied directly from the external supply V
For V
For V
*registers are marked in bold and underlined like
*Bits/Flags in registers are marked in bold only like
Copyright © 2005, EM Microelectronic-Marin SA
Peripheral
POR (static)
Voltage regulator
Quartz 32768 Hz oscillator
Clocks (Prescaler & RC divider)
CPU
Peripheral register
RAM
Timer/Counter
Supply Voltage Level Det.=SVLD
PortA /C, Reset pad debounced
Interrupts / events
Watch-Dog timer
Analogue Watchdog (osc.detect)
Bit
3
2
1
0
Power Supply
DD
DD
less then 1.4V it is recommended that V
>1.8V then the configuration shown in
Watchdog register - WD
Internal state in Active, Stand-by and Sleep mode
R
/// EM6607 mode
Name
WDRST
Slmask
WD1
WD0
Reset
-
-
0
0
REG
ACTIVE mode
On
On
On
On
Running
“On”
“On”
“On”
can be activated
Yes
Yes - possible
On / Off (soft selectable)
On/Off (soft select.)
providing regulated voltage for the oscillator and internal logic. Output drivers are
DD
. A typical connection configuration is shown in figure 4.
F igure 4 should be used.
1 3 2 H
DD
is connected directly to V
R/W
R/W
R/W
R
R
SLEEP
IntRq
Description
Watchdog timer reset
SLEEP mask bit
WD Timer data 1/4 Hz
WD Timer data 1/2 Hz
8
STAND-BY mode
On
On
On
On
can not be activated
Yes - possible
“On” if activated before
In HALT – Stopped
“On” retain value
retain value
“On” if activated before
Yes
On / Off (soft selectable)
DD
and V
REG
SS
connected
, the circuit reference being at V
SLEEP mode
On
On (Low-Power)
Off
Off
Stopped
retain value
retain value
stopped
Off
No
No – not possible
No
Off
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EM6607
SS
(ground). A