20-668-0024 Rabbit Semiconductor, 20-668-0024 Datasheet - Page 340

• Manufacturer Part Number: 20-668-0024
• Description: IC CPU RABBIT4000 128-LQFP
• Manufacturer: Rabbit Semiconductor

Specifications of 20-668-0024

• Processor Type: Rabbit 4000 8-bit
• Speed: 60MHz
• Voltage: 2.5V, 2.7V, 3V, 3.3V
• Mounting Type: Surface Mount
• Package / Case: 128-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Other names: 20-668-0022; 316-1078

330
*
† When Serial Port D is enabled in the clocked serial mode with an internal
Table A-2. Alternate Parallel Port C, D, and E Pin Outputs
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
PE7
PE6
PE5
PE4
PE3
PE2
PE1
PE0
Pin
clock, PD2 becomes SCLKC and is not available for other use. However,
all the Parallel Port D pins are used for the 16-bit data bus, and so a pin on
another parallel port then has to be selected for the clock output.
When Serial Port C is enabled in the clocked serial mode with an internal
clock, PD0 becomes SCLKD and is not available for other use. However,
all the Parallel Port D pins are used for the 16-bit data bus, and so a pin on
another parallel port then has to be selected for the clock output
SCLKC
SCLKD
TXA
TXA
TXD
TXD
TXA
TXB
TXB
TXC
TXC
TXB
IA7
IA6
IA7
IA6
I7
I6
I5
I4
I3
I2
I1
I0
0
*
†
/LINK
/ACT
A23
A22
A21
A20
/A0
—
I7
I6
I5
I4
I3
I2
I1
I0
I7
I6
I5
I4
I3
I2
I1
I0
1
Alternate Output Option
TIMER C3
TIMER C2
TIMER C1
TIMER C0
TIMER C3
TIMER C2
TIMER C1
TIMER C0
TIMER C3
TIMER C2
TIMER C1
TIMER C0
PWM3
PWM2
PWM1
PWM0
PWM3
PWM2
PWM1
PWM0
PWM3
PWM2
PWM1
PWM0
2
Rabbit 4000 Microprocessor User’s Manual
RCLKE
SCLKD
RCLKE
SCLKD
RCLKE
SCLKD
SCLKC
TCLKE
RCLKF
TCLKF
SCLKC
TCLKE
RCLKF
TCLKF
SCLKC
TCLKE
RCLKF
TCLKF
TXE
TXE
TXE
TXF
TXF
TXF
3
16-bit Data
D15
D14
D13
D12
D10
D11
D9
D8
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