EMS6500 EM Microelectronic, EMS6500 Datasheet - Page 78

• Manufacturer Part Number: EMS6500
• Description: Microcontroller Development System 4-bit (Emmon), Simulators 4-bit
• Manufacturer: EM Microelectronic

Copyright  2003 EM Microelectronic-Marin SA
4.6.
4.7.
4.8.
The selected prescaler interrupt frequency is indicated. This corresponds to the
value written to bits 0-1 in the register 07DH.
Indicates the output frequency selected and corresponds to bits 0-1 in the register
07EH.
Fig. 4-2 Timer parameters
The following parameters are defined for the 8-bit timer module.
Table 4-4 Timer parameters values
Parameter Signification
Enabled
IRQ
Autoreload The symbol
Input
Loaded
Actual
Prescaler
Buzzer
Timer
The symbol
symbol
register 07EH).
The symbol
counter counts down to 0 (irq mask bit 3 register 07DH). The
symbol
register 063H) is active and the symbol
Specifies the counting frequency used by the counter.
The value with which the counter was initialised and which will
be used for reloading if the autoreload function is active.
The actual counter value.
signifies the timer is inactive. (Corresponds to bit3 in
signifies that the IRQ function is inactive.
signifies the timer is enabled and running. The
signifies that an IRQ will be generated when the
signifies that the autoreload function (bit 3
14
Peripheral Interface
that it is inactive.
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EM66xx
Binder 4.3-01/03 Rev. B/495