Motorola MC9S12DP256 Manual De Usuario
C M L 1 2 S D P 2 5 6
0 7 / 1 7 / 0 2
16
The VDD supply is for reference or external 2.5V input only and should not be loaded by
external circuitry or damage to the HCS12 device may occur.
external circuitry or damage to the HCS12 device may occur.
MCU_PORT
+5V 60 59 GND
PT7 58 57 PT6
PT5 56 55 PT4
PT3 54 53 PT2
PT1 52 51 PT0
PT7 58 57 PT6
PT5 56 55 PT4
PT3 54 53 PT2
PT1 52 51 PT0
** PK0 50 49 PK1 **
** PK2 48 47 PK3 **
** PK4 46 45 PK5 **
** PK2 48 47 PK3 **
** PK4 46 45 PK5 **
GND 44 43 +5V
PP1 42 41 PP0
PP3 40 39 PP2
PP5 38 37 PP4
PP7 36 35 PP6
PP3 40 39 PP2
PP5 38 37 PP4
PP7 36 35 PP6
** PM1 34 33 PM0 **
PM3 32 31 PM2
PM5 30 29 PM4
PM7 28 27 PM6
PM5 30 29 PM4
PM7 28 27 PM6
PJ1 26 25 PJ0
PJ7 24 23 PJ6
PJ7 24 23 PJ6
** PS7 22 21 PS6 **
** PS5 20 19 PS4 **
** PS3 18 17 PS2 **
** PS1 16 15 PS0 **
** PS5 20 19 PS4 **
** PS3 18 17 PS2 **
** PS1 16 15 PS0 **
GND 14 13 +5V
GND 12 11 VREGEN
GND 12 11 VREGEN
** PB7/D7 10 9
PB6/D6 **
** PB5/D5
8 7
PB4/D4 **
** PB3/D3
6 5
PB2/D2 **
** PB1/D1
4 3
PB0/D0 **
GND
2 1
+5V
The MCU_PORT provides access to the peripheral
features and I/O lines of the HCS12.
features and I/O lines of the HCS12.
** Note signals with alternate connections on the
development board:
development board:
PB0 - 7 [D0 - 7] provide address / data on the
expanded HCS12.
expanded HCS12.
PK0 - 5 [XA14 - XA19] provide high order paged
address lines on the expanded HCS12.
address lines on the expanded HCS12.
PM0 - 1 [CAN RXD0, TXD0] CAN channel 0 to CAN
Port transceiver.
Port transceiver.
PS0 - 1 [COM Port RXD0, TXD0]
PS2 - 3 [JP3 Port RXD1, TXD2]
PS4 - 7 [SPI Port] provides LCD_PORT serial
interface.
interface.
ANALOG PORT
PAD0/AN0
1 2
PAD8/AN8
PAD1/AN1
3 4
PAD9/AN9
PAD2/AN2
5 6
PAD10/AN10
PAD3/AN3
7 8
PAD11/AN11
PAD4/AN4
9 10 PAD12/AN12
PAD5/AN5 11 12 PAD13/AN13
PAD6/AN6 13 14 PAD14/AN14
PAD7/AN7 15 16 PAD15/AN15
PAD6/AN6 13 14 PAD14/AN14
PAD7/AN7 15 16 PAD15/AN15
VRH 17 18 VRL
VDDA 19 20 GND
The ANALOG port provides access to the Port AD0 and
Port AD1 Analog-to-Digital input lines.
Port AD1 Analog-to-Digital input lines.
PAD0 – PAD15 HC12 Port AD0-15 is an input port or
AN0 - AN15 A/D Converter inputs.
AN0 - AN15 A/D Converter inputs.
VRH / VRL HC12 A/D Converter Reference Pins. See
HCS12 A/D User guide. To provide an external
reference voltage, R3 and R4 need to be removed to
apply external VRH or VRL respectfully. See schematic.
HCS12 A/D User guide. To provide an external
reference voltage, R3 and R4 need to be removed to
apply external VRH or VRL respectfully. See schematic.