F271-AEA-P View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

F271-AEA-P

16-bit MCU with 128 Kbyte Flash memory and 8/12 Kbyte RAM

STMicroelectronics 

Electrical characteristics

ST10F271B/ST10F271E

Figure 60. External bus arbitration (regaining the bus)

2)

CLKOUT

HOLD

t61

t62

HLDA

BREQ

CSx

(On P6.x)

Other

signals

t62

t62

t63

1)

t65

t67

1. This is the last chance for BREQ to trigger the indicated regain-sequence. Even if BREQ is activated

earlier, the regain-sequence is initiated by HOLD going high. Please note that HOLD may also be

deactivated without the ST10F271 requesting the bus.

2. The next ST10F271 driven bus cycle may start here.

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