Motorola MPC505EVB, Руководство пользователя, Страница: 50 / 58

SUPPORT INFORMATION
4- 8 MPC505EVBUM/D
Table 4-6. P6 Expansion Connector Pin Assignments
Pin Mnemonic Signal
A-1 FOE* FLASH OUTPUT ENABLE - Active low output signal that lets you read
the EVB on-board flash memory.
A-2 CS5* CHIP SELECT 5 Output signal that selects peripheral/memory devices
at programmed addresses.
A-3 A-13 A10 A20 ADDRESS BUS (bits 10 – 20) – 11-pins of the three-state output
address bus.
A-14 GND GROUND
A-15 A-30 D0 D15 DATA BUS (bits 0 15) – Bi-directional data pins.
A-31 GND GROUND
A-32 NC Not Connected
B-1 B-3 VCC +5 VDC POWER –Input voltage (+5 Vdc @ 2.0 A) used by the EVB
logic circuits.
B-4 BSWE2* Address signal A8 - one signal of the three-state output address bus.
B-5 BSWE0* Address signal A6 - one signal of the three-state output address bus.
B-6 B-9 CS4* CS1* CHIP SELECT (4 – 1) – Output signals that select peripheral/memory
devices at programmed addresses.
B-10 B-29 GND GROUND
B-30 CLKOUT SYSTEM CLOCK OUT – Output signal that is the MPC505 MCU
internal system clock.
B-31, B-32 GND GROUND
C-1 BSWE3* Address signal A9 - one signal of the three-state output address bus.
C-2 BSWE1* Address signal A7 - one signal of the three-state output address bus.
C-3 CSBT* BOOT CHIP SELECT – Active-low output signal that selects peripheral
or memory devices at programmed addresses.
C-4 C-12 A21 A29 ADDRESS BUS (bits 21 29) – 9-pins of the three-state output address
bus.
C-13 GND GROUND
C-14 C-29 D16 D31 DATA BUS (bits 16 31) – Bi-directional data pins.
C-30 GND GROUND
C-31, C-32 NC Not Connected