MAC7100 View Datasheet(PDF) - Motorola => Freescale

Part Name

Description

Manufacturer

MAC7100

MAC7100 Microcontroller Family Hardware Specifications

Motorola => Freescale 

Freescale Semiconductor, Inc.

Electrical Characteristics

3.9.1 Read and Write Bus Cycles

Table 23 lists processor bus output timings. Read/write bus timings listed in Table 23 are shown in Figure 7

and Figure 8.

Table 23. External Bus Output Timing Specifications

Num

L6a

L6b

C

Rating

Control Outputs

CLKOUT high to chip selects valid 1

CLKOUT high to byte select (BS[1:0]) valid 2

Symbol

tCHCV

tCHBV

Min

Max

Unit

—

0.5tCYC + 10 ns

—

0.5tCYC + 10 ns

L6c

CLKOUT high to output select (OE) valid 3

tCHOV

—

0.5tCYC + 10 ns

L7a

CLKOUT high to control output (BS[1:0], OE) invalid

tCHCOI 0.5tCYC + 2

—

ns

L7b

CLKOUT high to chip selects invalid

tCHCI 0.5tCYC + 2

—

ns

Address and Attribute Outputs

L8

CLKOUT high to address (ADDR[21:0]) and control

tCHAV

—

(R/W) valid

10

ns

L9

CLKOUT high to address (ADDR[21:0]) and control

tCHAI

2

(R/W) invalid

—

ns

Data Outputs

L10

CLKOUT high to data output (DATA[15:0]) valid

tCHDOV

—

L11

CLKOUT high to data output (DATA[15:0]) invalid

tCHDOI

2

L12

CLKOUT high to data output (DATA[15:0]) high impedance tCHDOZ

—

1 CSn transitions after the falling edge of CLKOUT.

2 BSn transitions after the falling edge of CLKOUT.

3 OE transitions after the falling edge of CLKOUT.

13

ns

—

ns

9

ns

20

MAC7100 Microcontroller Family Hardware Specifications

MOTOROLA

PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE

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