EM78M611E
Universal Serial Bus Series Microcontroller
Product Specification (V1.11) 04.20.2007
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(This specification is subject to change without further notice)
Built-in 24-Channel Analog-to-Digital Converter (ADC)
Up to 24 channels
Up to 10 bits resolution
4 ADC conversion rates: 256K/128K/64K/32K
Built-in 3.3V Voltage Regulator
For MCU power supply
Pull-up source for the external USB resistor on D-pin
Package Type:
40-pin PDIP (600mil) (EM78M611EXAP)
44-pin QFP (10×10mm, footprint=3.2mm) (EM78M611EXAQ)
20-pin PDIP (300mil)/SOP (300mil) (EM78M611EXBP/BM)
20-pin SSOP (209mil) (EM78M611EXDM)
24-pin PDIP (600mil)/SOP (300mil) (EM78M611EXCP/CM)
24-pin SSOP (150mil) (EM78M611EXEM)
3 Type Definition
The EM78M611E series has six types of packaging. Each type is divided into two
modules, namely; original, and with both E
2
PROM and A/D Converter. Hence,
packaging configuration for each series is defined. Table 3.1 below summarizes which
series of the EM78M611E belong to which module.
Table 3-1 Packaging Summary of EM78M611E Series IC
Original With Both
EM78M611EA** EM78M611ED**
4 Application
USB Keyboard only
USB and PS/2 both compatible with Keyboard
USB Keyboard with USB Mouse
USB Joystick