AT83EB5114 Atmel Corporation, AT83EB5114 Datasheet - Page 43

• Manufacturer Part Number: AT83EB5114
• Manufacturer: Atmel Corporation

Specifications of AT83EB5114

• Max. Operating Frequency: 24 MHz
• Cpu: 8051-12C
• Max I/o Pins: 11
• Adc Channels: 6
• Adc Resolution (bits): 10
• Adc Speed (ksps): 50
• Sram (kbytes): 0.25
• Eeprom (bytes): 256
• Operating Voltage (vcc): 3.0 to 3.6
• Timers: 4
• Mask Rom (kbytes): 4
• Watchdog: Yes

PWMU0 Output
Generation
4311C–8051–02/08
Table 28. W0FL: PWMU0 frequency low control register
W0FL - PWMU0 Frequency Control Register (EBh)
Reset Value = 1111 1111b
Not bit addressable
Table 29. W0CH: PWMU0 counter high control register
W0CH - PWMU0 Counter Control Register (ECh)
Reset Value = 0000 0000b
Not bit addressable
Table 30. W0CL: PWMU0 counter low control register
W0CL - PWMU0 Counter Control Register (EDh)
Reset Value = 0000 0000b
Not bit addressable
All the PWMU0 modules have the same frequency determined by the W0F register. But
each module has its own duty cycle determined by the W0Rn Register. (n is the module
number).
When the W0C content is lower than the value programmed via the W0Rn registers, the
output is the W0INVn-bit (low if 0, high if 1). When it is equal or higher, the output is the
opposite of this W0INVn-bit (high if 0, low if 1).
When the W0C content is higher than SW0F’s, an overtaking occurs. The counter value
(W0C registers) is automatically reloaded with zero (see Figure 16). If the W0UP bit is
high, the new comparison value is reloaded on the shadow SW0R0 registers with the
Number
Number
Number
W0C15
W0C7
W0F7
Bit
Bit
Bit
7-0
7-0
7-0
7
7
7
Mnemonic Description
Mnemonic Description
Mnemonic Description
W0C15-8 PWMU0 high bits counter frequency.
W0F7-0
W0C7-0
W0C14
Bit
Bit
Bit
W0C6
W0F6
6
6
6
PWMU0 low bits counter control frequency
The PWMU0 counter is counting from zero up to WOF15-0 value.
PWMU0 low bits counter frequency.
W0C13
W0F5
W0C5
5
5
5
W0C12
W0C4
W0F4
4
4
4
W0C11
W0C3
W0F3
3
3
3
W0C10
W0F2
W0C2
2
2
2
W0C9
W0C1
W0F1
1
1
1
W0C8
W0C0
W0F0
0
0
0
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