ST92F150-EMU2 STMicroelectronics, ST92F150-EMU2 Datasheet - Page 146

• Manufacturer Part Number: ST92F150-EMU2
• Description: BOARD EMULATOR FOR ST9 SERIES
• Manufacturer: STMicroelectronics
• Series: ST9-EMU2r
• Type: Microcontrollerr

Specifications of ST92F150-EMU2

• Contents: ST9 Visual Debug IDE, ST9 HDS2V2 Mainboard, Probe, Sockets, Adapters, Power Supply,Cables & Documentation
• For Use With/related Products: ST9 MCUs
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-3101

ST92F124/F150/F250 - EXTERNAL MEMORY INTERFACE (EXTMI)
EXTERNAL MEMORY SIGNALS (Cont’d)
Figure 77. Effects of DS2EN on the behavior of DS and DS2
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9
SYSTEM
CLOCK
AS (MC=0)
ALE (MC=1)
DS
(MC=0)
DS2
(MC=0)
OEN
(MC=1, READ)
OEN
(MC=1, WRITE)
OEN2
(MC=1)
DS
(MC=0)
DS2
(MC=0)
OEN
(MC=1)
OEN2
(MC=1, READ)
(MC=1, READ)
OEN2
(MC=1, WRITE)
(MC=1, WRITE)
DS2EN=0 OR (DS2EN=1 AND UPPER MEMORY ADDRESSED):
DS2EN=1 AND LOWER MEMORY ADDRESSED:
T1
NO WAIT CYCLE
T2
T1
1 DS WAIT CYCLE
DS STRETCH
T2