MC68HC000EI20 Freescale Semiconductor, MC68HC000EI20 Datasheet - Page 38

• Manufacturer Part Number: MC68HC000EI20
• Description: IC MPU 16BIT 20MHZ 68-PLCC
• Manufacturer: Freescale Semiconductor

Specifications of MC68HC000EI20

• Processor Type: M680x0 32-Bit
• Speed: 20MHz
• Voltage: 3.3V, 5V
• Mounting Type: Surface Mount
• Package / Case: 68-PLCC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -

3.11 SIGNAL SUMMARY
Table 3-4 summarizes the signals discussed in the preceding paragraphs.
3-10
*Open drain.
Address Bus
Data Bus
Address Strobe
Read/Write
Data Strobe
Upper and Lower Data Strobes
Data Transfer Acknowledge
Bus Request
Bus Grant
Bus Grant Acknowledge
Interrupt Priority Level
Bus Error
Mode
Reset
Halt
Enable
Valid Memory Address
Valid Peripheral Address
Function Code Output
Clock
Power Input
Ground
Signal Name
M68000 8-/16-/32-BIT MICROPROCESSORS USER'S MANUAL
Freescale Semiconductor, Inc.
For More Information On This Product,
Mnemonic
IPL 0, IPL 1,
FC0, FC1,
UDS, LDS
D0–D15
A0–A23
Table 3-4. Signal Summary
DTACK
BGACK
RESET
MODE
BERR
HALT
VMA
V CC
GND
R/ W
IPL 2
VPA
FC2
CLK
AS
DS
BR
BG
E
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Input/Output
Input/Output
Input/Output
Input/Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Active State
Read-High
Write-Low
High
High
High
High
High
High
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
—
—
On
Yes
Yes
No*
No*
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
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—
HALT
Hi-Z
Relinquish
On Bus
MOTOROLA
Yes
Yes
Yes
Yes
Yes
Yes
No*
No*
Yes
Yes
No
No
No
No
No
No
No
No
No
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