Motorola M68EML08GZ16 User Manual page 35

Pin
A1 — A32
B1, B32
B2
B3 — B7
B8 — B10, B13, B15,
B18 — B27, 29
B11
B12
B14
B16
B17
B28
B31
C1, C32
C2
C3 — C9
C10, C23, C24, C29
C11 — C18
C19 — C22, C25 —
C28
C30
C31
User's Manual
MOTOROLA
Table 3-8 EM Connector P2 Signal Descriptions
Mnemonic
GND GROUND
GND GROUND
VCC POWER — Operating voltage.
PTC[0] — PTC[4] PORT C (lines 0—4) — General-purpose I/O lines controlled by
software via data direction and data registers.
NC No connection
LOCKOUT_B Used by the platform board to block the IRQ_B signal during reset
recovery.
T_RESET_5V_B Target reset used to sense and drive resets to and from the target.
PORTS_B Indicates a port-related register access, which is routed to the PRU on the
platform board.
PFB_RST_B PFB RESET — Active-low signal that requests a reset of the platform
board.
COP_RST_B COP RESET — Active-low signal that resets the EM board.
VPRU Emulation MCU voltage used by the port replacement unit on the
platform board.
PFB_VCC PFB POWER — Operating voltage signal from the platform board.
GND GROUND
VCC POWER — Operating voltage.
PTA[0] — PTA[7] PORT A (lines 0—7) — General-purpose I/O lines controlled by
software via data direction and data registers.
NC No connection
PTB[7] — PTB[0] PORT B (lines 0—7) — General-purpose I/O lines controlled by
software via data direction and data registers.
ID9 — ID6, ID3, MCU identification signals used by the platform board to detect which
ID2, MCU_ID1, EM board is inserted.
MCU_ID0
DAVINCI Used to indicate HC05 or HC08 EM boards.
PFB_VCC PFB POWER — Operating voltage signal from the platform board.
Support Information
EM Board Socket Connectors P1 and P2
Signal
M68EML08GZ16 Emulation Module - Version 4.0
Support Information
35