EM6603 EM Microelectronic, EM6603 Datasheet - Page 2

• Manufacturer Part Number: EM6603
• Description: Ultra Low Power Multi I/O Microcontroller
• Manufacturer: EM Microelectronic

• Power Supply
- Low Voltage, low power architecture
- 1.2V ... 3.6 V battery voltage
- 1.8µA in active mode
- 0.35µA in standby mode
- 0.1µA in sleep mode
@ 1.5V, 32kHz, 25 °C
- 32 kHz Oscillator
• RAM
- 96 x 4 bit, direct addressable
• ROM
- 2048 x 16 bit metal mask programmable
• CPU
- 4 bit RISC architecture
- 2 clock cycles per instruction
- 72 basic instructions
• Main Operating Modes and Resets
- Active mode
- Standby mode
- Sleep mode
- Initial reset on Power-On (POR)
- External reset pin
- Watchdog timer (time-out) reset
- Oscillation detection watchdog reset
- Reset with input combination on PortA
• 4-Bit Input PortA
- Direct input read
- Debounced or direct input selectable (reg.)
- Interrupt request on input’s rising or falling edge,
- Pull-down or none, selectable by metal mask
- Software test variables for conditional jumps
- PA3 input for the event counter
- Reset with input combination on PortA
• 4-Bit Input/Output PortB
- separate input or output selection by register
- Pull-up, Pull-down or none, selectable by metal mask if
- Buzzer output on PB0
EM6603 at a glance
(metal option)
(metal option)
Copyright  2002, EM Microelectronic-Marin SA
including internal voltage regulator
selectable by register.
used as Input
(CPU is running)
(CPU in Halt)
(No clock, Reset State)
2
• 4-Bit Input/Output PortC
- Input or Output port as a whole port
- Debounced or direct input selectable (reg.)
- Interrupt request on input’s rising or falling edge,
- Pull-up, pull-down or none, selectable by
- CMOS or N-channel open drain mode
• 4-Bit Input/Output PortD
- Input or Output port as a whole port
- Pull-up, Pull-down or none, selectable by metal
- CMOS or N-channel open drain mode
- Serial Write Buffer clock and data output
• Serial (output) Write Buffer
- max. 256 bits long clocked with
- automatic send mode
- interactive send mode : interrupt request
• Buzzer Output
- if used output on PB0
- 3 tone buzzer - 1kHz, 2kHz, 2.66kHz
• Prescaler
-
-
- 3 interrupt requests : 1Hz/8Hz/32Hz
- Prescaler reset (from 8kHz to 1Hz)
• 8-bit Timer / Event Counter
-
- 6 different clocks from prescaler
- or event counter from the PA3 input
- parallel load
- interrupt request when comes to 00 hex.
• Supply Voltage Level Detector
- 3 software selectable levels (1.3V, 2.0V,
- Busy flag during measure
- Active only on request during measurement to
• Interrupt Controller
-
- 3 internal interrupt sources, prescaler, timer and
- each interrupt request is individually maskable
- interrupt request flag is cleared automatically on
16/8/2/1kHz
metal mask if used as input
when buffer is empty
2.3V or user defined between 1.3V and 3.0V)
32kHz output possible on the STB/RST pin
15 stage system clock divider down to 1 Hz
8-bit auto-reload count-down timer
8 external interrupt sources: 4 from Port A and 4
selectable by register.
mask if used as Input
reduce power consumption
from Port C
Serial Write Buffer
register read
www.emmicroelectronic.com
EM6603
03/02 REV. G/439