ELANSC400-66AI AMD (ADVANCED MICRO DEVICES), ELANSC400-66AI Datasheet - Page 78

• Manufacturer Part Number: ELANSC400-66AI
• Manufacturer: AMD (ADVANCED MICRO DEVICES)

Specifications of ELANSC400-66AI

• Cpu Family: Elan
• Device Core Size: 16/32Bit
• Frequency (max): 66MHz
• Interface Type: ISA
• Program Memory Type: ROMLess
• Program Memory Size: Not Required
• Number Of Timers - General Purpose: 1
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 95C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 292
• Package Type: BGA
• Lead Free Status / Rohs Status: Not Compliant

Notes:
The graphics controller and the PC Card controller are not supported on the ÉlanSC410 microcontroller.
78
PMU
Graphics Dot
Clock Select
32.768 kHz
32.768 kHz
Enable
Enable
Enable
Enable
Intermediate PLL
Low-Speed PLL
High-Speed PLL
Oscillator
Graphics Dot
Clock PLL
PLL Block
Élan™SC400 and ÉlanSC410 Microcontrollers Data Sheet
Figure 5. Clock Source Block Diagram
1.4746 MHz
36.864 MHz
32.768 kHz
36.864 MHz
66.3552 MHz
20.736 MHz–
DRAM Clock Select
CPU Clock Select
DMA Clock Select
ISA Bus Clock Select
CLK_IO
CLK_IO Select
/16
/32
/64
/31
/2
/4
/8
66.3552 MHz
1.19318 MHz
36.864 MHz
33.1776 MHz
16.5888 MHz
8.2944 MHz
4.1472 MHz
2.0736 MHz
1.0368 MHz
1.1892 MHz
/20
/2
18.432 MHz
1.8432 MHz
Dot Clock
Graphics
Controller
RTC
DRAM
Controller
and PMU
VL-Bus
Controller
ISA Bus, ROM,
and PC Card
Controllers
DMA
Controller
Timer
DRAM and
Graphics
Controllers
CPU and
UART
CLK_IO