at90pwm81-16se ATMEL Corporation, at90pwm81-16se Datasheet - Page 195

• Manufacturer Part Number: at90pwm81-16se
• Description: 8-bit Avr Microcontroller With 8k Bytes In- System Programmable Flash
• Manufacturer: ATMEL Corporation

7734M–AVR–03/10
Figure 17-1.
Notes:
ACMP3_OUT_A
ACMP1_OUT
ACMP2_OUT
ACMP3_OUT
ACMPM1
ACMPM2
ACMPM3
ACMPM
ACMP1
ACMP2
ACMP3
Aref
AVcc
1. .Refer to
2. The voltage on Vref is defined in
AC1 OE
AC2 OE
AC3 OE
AC3 OEA
Internal 2.56V
Vref
Ref e rence
REFS0
Analog Comparator Block Diagram
REFS1
DAC 10
DAC EN
Figure 3-1 on page 3
AC2 OI
AC1 OI
AC3 OI
Band Gap
Band Gap
Band Gap
+REFS1
REFS0
Res ult
DAC
Vref
/1.60
/2.13
/3.20
/6.40
and for Analog Comparator pin placement
18-3 ”ADC Voltage Reference Selection” on page 217
AC1 M
2 1 0
AC2 M
2 1 0
AC3 M
2 1 0
+
-
+
-
AC1 EN
AC2 EN
+
-
AC3 EN
AC2 H
2 1 0
AC1 H
2 1 0
AC3 H
2 1 0
Interrupt Sensitivit y Con trol
Interrupt Sensitivit y Con trol
Interrupt Sensitivit y Con trol
AC1 IS1
AC2 IS1
AC3 IS1
AC1 IS0
AC2 IS0
AC3 IS0
AT90PWM81
AC1 IE
AC1 ICE
AC2 IE
AC3 IE
AC1 IF
Analog Compar a tor 1 Interrupt
T1 Captur e T rigger
AC2 IF
Analog Compar a tor 2 Interrupt
AC1 O (to PSCR)
AC2 O (to PSC2)
AC3 IF
Analog Compar a tor 3 Interrupt
AC3 O (to PSC2)
195