668-0003-C Rabbit Semiconductor, 668-0003-C Datasheet - Page 89

• Manufacturer Part Number: 668-0003-C
• Description: IC CPU RABBIT2000 30MHZ 100PQFP
• Manufacturer: Rabbit Semiconductor

Specifications of 668-0003-C

• Rohs Status: RoHS non-compliant
• Processor Type: Rabbit 2000 8-Bit
• Speed: 30MHz
• Voltage: 2.7V, 3V, 3.3V, 5V
• Mounting Type: Surface Mount
• Package / Case: 100-MQFP, 100-PQFP
• Features: -
• Other names: 316-1004; 668-0003

Chapter 7 Miscellaneous I/O Functions
CLK
XTALA1
XTALA2
XTALB1
XTALB2
A[19:0]
D[7:0]
/WDTOUT
STATUS
SMODE[1:0]
/CS0
/CS1
/CS2
/OE0
/OE1
/WE0
/WE1
/BUFEN
/IORD
/IOWR
PA[7:0]
PB[7:0]
PC[7:0]
PD[7:0]
PE[7:0]
* A low is recognized internally by the processor after a reset
† The default state of the I/O ports after the completion of the reset and initializa-
Pin Name
Table 7-10. Rabbit 2000 Reset Sequence and State of I/O Pins
/RESET
tion sequences
Bidirectional
Input/Output
Input/Output
Input/Output
Input/Output
Direction
4 In/4 Out
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Input
Input
Input
Input
Recognized by CPU
/RESET Low
Not Affected
Not Affected
Not Affected
Not Affected
Not Affected
Low or High
Last Value
z0z1z1z1
00zzzzzz
zzzzzzzz
zzzzzzzz
zzzzzzzz
High Z
High
High
High
High
High
High
High
High
High
High
High
High
High
*
Post-Reset
(as /IFTCH1)
Not Affected
Not Affected
Not Affected
Not Affected
Not Affected
Operational
Operational
Operational
Operational
z0z0z0z0
00zzzzzz
zzzzzzzz
zzzzzzzz
zzzzzzzz
0x00000
High Z
High
High
High
High
High
High
High
High
High
High
†
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