MC68030RC33C Freescale Semiconductor, MC68030RC33C Datasheet - Page 266

• Manufacturer Part Number: MC68030RC33C
• Description: IC MPU 32BIT ENHANCED 128-PGA
• Manufacturer: Freescale Semiconductor

Specifications of MC68030RC33C

• Processor Type: M680x0 32-Bit
• Speed: 33MHz
• Voltage: 5V
• Mounting Type: Surface Mount
• Package / Case: 128-PGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -

MOTOROLA
osc, LEs
PLUS 5
VOLTS
RESET -- !
for a reset operation is described in 8.1.1 Reset Exception.
When a reset instruction is executed, the processor drives the RESET signal
for 512 clock cycles. In this case, the processor resets the external devices
of the system, and the internal registers of the processor are unaffected. The
external devices connected to the RESET signal are reset at the completion
of the reset instruction. An external RESET signal that is asserted to the
processor during execution of a reset instruction must extend beyond the
reset period of the instruction by at least eight clock cycles to reset the
processor. Figure 7-65 shows the timing information for the reset instruction.
Resetting the processor causes any bus cycle in progress to terminate as if
DSACKx, BERR, or STERM had been asserted. In addition, the processor
initializes registers appropriately for a reset exception. Exception processing
VCC
CLK
Figure 7-64. Initial Reset Operation Timing
MC68030 USER'S MANUAL
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BUS STATE UNKNOWN
t = >520 C I O C K S ~ I ~
HI6H IMPEDANCE READ MODE, ADDRESS pl~ READ
ENTIRE BUS
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NEGATED, DATA BUS IN |
A L ONTROLS,ONA S
BUS DR VEN
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- - STARTS
7-105
ISP
7