EM6517 ETC, EM6517 Datasheet - Page 2

• Manufacturer Part Number: EM6517
• Description: 4 BIT MICROCONTROLLER
• Manufacturer: ETC

EM6517-1 at a glance
• Power Supply
- Low voltage low power architecture
- 2.0 ... 5.5 V battery voltage for all logic functions
- 2.6 ... 5.5 V battery voltage for the ADC (0.2LSB)
- 9 µA in active mode, ADC off
- 15 µA active mode, ADC on
- 1.3 µA in standby mode
- 0.1µA in sleep mode
- 32 KHz crystal oscillator
• RAM
- 64 x 4 bit, direct addressable
- 64 x 4 bit, indirect addressable
• EEPROM (main program memory)
- 3072 x 16 bit programmable with EM Programmer
• E
- 64 x 8 bit, indirect addressable
- Interrupt request at the end of a write operation
• CPU
- 4 bit RISC architecture
- 2 clock cycles per instruction
- 72 basic instructions
• Main Operating Modes and Resets
- Active Mode
- Standby Mode (CPU in halt)
- Sleep Mode
- Initial reset on power on (POR)
- Watchdog resets (logic and oscillation watchdogs)
- Reset terminal
- Reset with input combination on port A register
• 4-Bit Input Port A
- Direct input read on the port terminals
- Debouncer function available on all inputs
- Interrupt request on positive or negative edge
- Pull-up or pull-down or none selectable by register
- Test variables (software) for conditional jumps
- PA[0] and PA[3] are inputs for the event counter
- Reset with input combination (register selectable)
• Serial Write Buffer (output)
- Max 256 bits long bit rates of 16kHz,8kHz,2kHz,1kHz
- Automatic or interactive send mode
- Interrupt request when buffer is empty
© EM Microelectronic-Marin SA, 09/99, Rev. A/277
2
including internal voltage regulator
selectable, ¨AND¨ or ¨OR¨ type by metal mask
2
PROM (peripheral)
(CPU is running)
(No clock, reset state)
FOR ENGINEERING ONLY
• 2 Channel 8-bit ADC
- Conversion time is 305
- 2 operating modes (continuous, single)
- Interrupt request at the end of conversion
• Prescaler
- 15 stage system clock divider down to 1 Hz
- 2 Interrupt requests; 1 Hz, 32 Hz or 8 Hz
- Prescaler reset (4 KHz to 1Hz)
• 4-Bit Bi-directional Port B
- All different functions bit-wise selectable
- Direct input read on the port terminals
- Data output latches
- CMOS or Nch. open drain outputs
- Pull-down or pull-up selectable
- Weak pull-up in Nch. open drain mode
- Selectable PWM, 1kHz, 32kHz and 2kHz output
• 4-Bit Bi-directional Port C
- Input or output mode as whole port
- Direct input read on port terminal
- Data output latches
- CMOS or Nch. open drain outputs
- Pull-down or pull-up selectable
- Weak pull-up in Nch. open drain mode
• Voltage Level Detector
- 3 levels software selectable (2.0, 2.5, 3.0 V)
- Busy flag during measure
- Interrupt request at end of measure
• 10-Bit Universal Counter
- 10, 8, 6 or 4bit up/down counting
- Parallel load
- 8 different input clocks
- Event counting (PA[0] or PA[3] )
- Full 10 bit or limited (8, 6, 4 bit) compare function
- 2 interrupt requests (on compare and on 0)
- Hi-frequency input on PA[3] and PA[0]
- Pulse-width modulation (PWM) output
• Interrupt Controller
- 4 external and 8 internal interrupt request sources
- Each interrupt can individually be maskable
- Each interrupt can individually be reset
- Automatic reset of each interrupt request after read
- General interrupt request to CPU can be disabled
- Automatic enabling of general interrupt request flag
when going into HALT mode
µs
@32kHz
EM6517