MC9S12D64 Motorola, MC9S12D64 Datasheet - Page 62

• Manufacturer Part Number: MC9S12D64
• Description: MC9S12DJ64 Device User Guide V01.17
• Manufacturer: Motorola

MC9S12DJ64 Device User Guide — V01.17
2.3.55 PS2 / RXD1 — Port S I/O Pin 2
PS2 is a general purpose input or output pin. It can be configured as the receive pin RXD of Serial
Communication Interface 1 (SCI1).
2.3.56 PS1 / TXD0 — Port S I/O Pin 1
PS1 is a general purpose input or output pin. It can be configured as the transmit pin TXD of Serial
Communication Interface 0 (SCI0).
2.3.57 PS0 / RXD0 — Port S I/O Pin 0
PS0 is a general purpose input or output pin. It can be configured as the receive pin RXD of Serial
Communication Interface 0 (SCI0).
2.3.58 PT[7:0] / IOC[7:0] — Port T I/O Pins [7:0]
PT7-PT0 are general purpose input or output pins. They can be configured as input capture or output
compare pins IOC7-IOC0 of the Enhanced Capture Timer (ECT).
2.4 Power Supply Pins
MC9S12DJ64 power and ground pins are described below.
62
NOTE:
Mnemonic
VDD1, 2
VSS1, 2
VDDR
VSSR
VDDX
VDDA
VSSX
VSSA
VRH
VRL
Table 2-2 MC9S12DJ64 Power and Ground Connection Summary
All VSS pins must be connected together in the application.
112-pin QFP
Pin Number
13, 65
14, 66
107
106
41
40
83
86
85
84
Nominal
Voltage
2.5V
5.0V
5.0V
5.0V
5.0V
0V
0V
0V
0V
0V
Internal power and ground generated by internal regulator
External power and ground, supply to pin drivers and internal
External power and ground, supply to pin drivers.
Operating voltage and ground for the analog-to-digital
Reference voltages for the analog-to-digital converter.
voltage regulator.
converters and the reference for the internal voltage regulator,
allows the supply voltage to the A/D to be bypassed
independently.
Description