Z86L9900100ZEM Datasheet, PDF (65/70 Pages) Zilog, Inc. – ICEBOX

A
4
3
2
B
C
D
TARGET
CONNECTOR
L99 MODE:
- SET ROM_SIZE_RG = 16K.
- T3 IS TRI-STATED.
- WHEN DS_I IS ASSERTED:
IF (FG/BG && OUTSIDE_ROM)
TR-STATE T1.
ELSE IF (FG/BG && !OUTSIDE_ROM)
ENABLE T1.
ELSE IF (!FG/BG)
IF (C_JAM_P1)
TRI-STATE T1.
ELSE
ENABLE T1.
NOTE: ZDS MUST NOT SET D_MEMFLAG REGISTER
DMF_DATA BIT WHEN ACCESSING EXECUTABLE
RAM.
P1_I[0..7]
0-5V
BUFFER
TRANSLATER
3
T3
P1_I[0..7]
0-5V
ICE
MCU
P1_M[0..7]
5V
AD_Itv[7..0]
0-5V
MOTHERBOARD
INTERFACE
BUFFER
TRANSLATER
1
T1
AD_I[7..0]
5V
E
4
3
2
1
1
Title
SCHEMATIC, Z869L9 EMULATION DAUGHTER BOARD
Size
B
Document Number
Rev
A
Date:
Monday, August 14, 2000
Sheet
6
of 11
A
B
C
D
E
UM005100-IRR0400
Schematic 6