PSD4206F3-90UI View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

PSD4206F3-90UI

Flash In-System Programmable (ISP) Peripherals For 16-bit MCUs (5V Supply)

STMicroelectronics 

PSD4235G2

Table 68. Port F Peripheral Data Mode Write Timing

Symbol

Parameter

Conditions

-70

Min Max

tWLQV–PF

WR to Data Propagation Delay

(Note 2)

25

tDVQV–PF

Data to Port F Data Propagation Delay

(Note 5)

22

tWHQZ–PF WR Invalid to Port F Tri-state

(Note 2)

20

Note: 1. RD has the same timing as DS, LDS, UDS, and PSEN (in 8031 combined mode).

2. WR has the same timing as the E, LDS, UDS, WRL, and WRH signals.

3. Any input used to select Port F Data Peripheral mode.

4. Data is already stable on Port F.

5. Data stable on ADIO pins to data on Port F.

Figure 47. Peripheral I/O Write Timing

-90

Unit

Min Max

35

ns

30

ns

25

ns

ALE /AS

A /D BUS

ADDRESS

DATA OUT

tWLQV (PF)

tWHQZ (PF)

WR

tDVQV (PF)

PORT F

DATA OUT

AI05741

81/89

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