ATmega16M1 Atmel Corporation, ATmega16M1 Datasheet - Page 149
ATmega16M1
Manufacturer Part Number
ATmega16M1
Description
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
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17.16.6
17.16.7
8209D–AVR–11/10
POCRnRBH and POCRnRBL – PSC Output Compare RB Register
PCNF – PSC Configuration Register
Note: n = 0 to 2 according to module number
The Output Compare Registers RA, RB, SA and SB contain a 12-bit value that is continuously
compared with the PSC counter value. A match can be used to generate an Output Compare
interrupt, or to generate a waveform output on the associated pin.
The Output Compare Registers are 16bit and 12-bit in size. To ensure that both the high and low
bytes are written simultaneously when the CPU writes to these registers, the access is per-
formed using an 8-bit temporary high byte register (TEMP). This temporary register is shared by
all the other 16-bit registers.
• Bit 7:6 – Res: Reserved
These bits are reserved and will always read as zero.
• Bit 5 – PULOCK: PSC Update Lock
When this bit is set, the Output Compare Registers POCRnRA, POCRnSA, POCRnSB,
POCR_RB and the PSC Output Configuration Registers POC can be written without disturbing
the PSC cycles. The update of the PSC internal registers will be done if the PULOCK bit is
released to zero.
• Bit 4 – PMODE PSC Mode
Select the mode of PSC.
Table 17-10. PSC Mode Selection
• Bit 3 – POPB: PSC B Output Polarity
If this bit is cleared, the PSC outputs B are active Low.
If this bit is set, the PSC outputs B are active High.
• Bit 2 – POPA: PSC A Output Polarity
If this bit is cleared, the PSC outputs A are active Low.
If this bit is set, the PSC outputs A are active High.
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
PMODE
0
1
R/W
7
–
0
R
7
0
-
Description
One Ramp Mode (Edge Aligned)
Center Aligned Mode
R/W
6
–
0
R
6
0
-
PULOCK
R/W
R/W
5
–
0
5
0
PMODE
R/W
R/W
POCRnRB[7:0]
4
–
0
4
0
ATmega16M1/32M1/64M1
POPB
R/W
R/W
3
0
3
0
POPA
POCRnRB[11:8]
R/W
R/W
2
0
2
0
R/W
R
1
0
1
0
-
R/W
R
0
0
0
0
-
POCRnRBH
POCRnRBL
PCNF
149
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