4 alternate functions of port e, Table 14-11 – Rainbow Electronics ATmega64M1 User Manual
Page 82
82
8209A–AVR–08/09
ATmega16M1/32M1/64M1
14.3.4
Alternate Functions of Port E
The Port E pins with alternate functions are shown in
Note:
1. On the engineering samples (Parts marked AT90PWM324), the ACMPN3 alternate function is
not located on PC4. It is located on PE2.
The alternate pin configuration is as follows:
• PCINT26/XTAL2/ADC0 – Bit 2
Table 14-11. Overriding Signals for Alternate Functions in PD3..PD0
Signal Name
PD3/TXD/TXLIN/
OC0A/SS/MOSI_A/
PCINT19
PD2/PSCIN2/
OC1A/MISO_A/
PCINT18
PD1/PSCIN0/
CLKO/
PCINT17
PD0/PSCOUT0A/
XCK/PCINT16
PUOE
TXEN + SPE •
MSTR • SPIPS
–
0
SPE •
MSTR • SPIPS
PUOV
TXEN • SPE • MSTR
• SPIPS • PD3 • PUD
–
0
PD0 • PUD
DDOE
TXEN + SPE •
MSTR • SPIPS
–
0
PSCen00 + SPE •
MSTR • SPIPS
DDOV
TXEN
0
0
PSCen00
PVOE
TXEN + OC0en +
SPE •
MSTR • SPIPS
–
0
PSCen00 + UMSEL
PVOV
TXEN • TXD + TXEN
• (OC0en • OC0 +
OC0en • SPIPS •
MOSI)
–
0
–
DIEOE
0
0
0
0
DIEOV
0
0
0
0
DI
SS
MOSI_Ain
AIO
Table 14-12. Port E Pins Alternate Functions
Port Pin
Alternate Function
PE2
XTAL2 (XTAL Output)
ADC0 (Analog Input Channel 0)
PCINT26 (Pin Change Interrupt 26)
PE1
XTAL1 (XTAL Input)
OC0B (Timer 0 Output Compare B)
PCINT25 (Pin Change Interrupt 25)
PE0
RESET# (Reset Input)
OCD (On Chip Debug I/O)
PCINT24 (Pin Change Interrupt 24)