ATmega16M1 Atmel Corporation, ATmega16M1 Datasheet - Page 248

• Manufacturer Part Number: ATmega16M1
• Manufacturer: Atmel Corporation

Specifications of ATmega16M1

• Flash (kbytes): 16 Kbytes
• Pin Count: 32
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 12
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 27
• Ext Interrupts: 27
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Uart: 1
• Can: 1
• Lin: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 11
• Adc Resolution (bits): 10
• Adc Speed (ksps): 125
• Analog Comparators: 4
• Resistive Touch Screen: No
• Dac Channels: 1
• Dac Resolution (bits): 10
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 1
• Eeprom (bytes): 512
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 2.7 to 5.5
• Operating Voltage (vcc): 2.7 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 2
• Output Compare Channels: 14
• Input Capture Channels: 1
• Pwm Channels: 10
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

21.10.9
248
ATmega16M1/32M1/64M1
AMP1CSR – Amplifier 1 Control and Status register
Table 21-9.
Bit
Read/Write
Initial Value
• Bit 7 – AMP1EN: Amplifier 1 Enable Bit
Set this bit to enable the Amplifier 1.
Clear this bit to disable the Amplifier 1.
Clearing this bit while a conversion is running will take effect at the end of the conversion.
Warning: Always clear AMP1TS0:1 when clearing AMP1EN.
• Bit 6 – AMP1IS: Amplifier 1 Input Shunt
Set this bit to short-circuit the Amplifier 1 input.
Clear this bit to normally use the Amplifier 1.
• Bit 5:4 – AMP1G[1:0]: Amplifier 1 Gain Selection Bits
These 2 bits determine the gain of the amplifier 1.
The different setting are shown in
Table 21-10. Amplifier 1 Gain Selection
To ensure an accurate result, after the gain value has been changed, the amplifier input needs
to have a quite stable input value during at least 4 Amplifier synchronization clock periods.
AMP0TS[2:0]
AMP1G[1:0]
000
001
010
011
100
101
110
111
00
01
10
11
AMP0 Clock Source Selection
AMP1EN
R/W
7
0
AMP1IS
R/W
6
0
AMP1G1
Table
R/W
PSC Module 0 Synchronization Signal (PSS0)
PSC Module 1 Synchronization Signal (PSS1)
PSC Module 2 Synchronization Signal (PSS2)
5
0
21-10.
Timer/Counter1 Compare Match B
Timer/Counter0 Compare Match
AMP1G0
R/W
4
0
Timer/Counter0 Overflow
Timer/Counter1 Overflow
Clock Source
AMPCMP1
Description
ADC Clock/8
R/W
Gain 10
Gain 20
Gain 40
Gain 5
3
0
AMP1TS2
R/W
2
0
AMP1TS1
R/W
1
0
AMP1TS0
R/W
0
0
8209D–AVR–11/10
AMP1CSR