ST10F166 datasheet(60/62 Pages) STMICROELECTRONICS

Part #	ST10F166

Description	16-BIT MCU WITH 256K FLASH MEMORY

PDF	62 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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ST10F166

AC Characteristics (Cont’d)

External Bus Arbitration

CC =5 V

± 10 %;

SS =0V

A = 0 to +70

°C

for ST10R165

L (for Port 0, Port 1, Port 4, ALE, RD, WR, BHE, CLKOUT) = 100 pF

Figure 24. External Bus Arbitration, Releasing the Bus

Notes:

1) The ST10R165 will complete the currently running bus cycle before granting bus access.

2) This is the first possibility for BREQ to get active.

Parameter

Symbol

Max. CPU Clock

=20 MHz

Variable CPU Clock

1/2TCL = 1 to 20 MHz

Unit

min.

max.

min.

max.

HOLD input setup time

to CLKOUT

–

CLKOUT to HLDA high

or BREQ low delay

–

CLKOUT to HLDA low

or BREQ high delay

–

Other signals release

t66CC

–

Other signals drive

t67CC

-5

CLKOUT

HOLD

HLDA

Other

Signals

BREQ

ST10F166 Datasheet(PDF) 60 Page - STMicroelectronics

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