HT56R66 Holtek Semiconductor Inc., HT56R66 Datasheet - Page 2

• Manufacturer Part Number: HT56R66
• Description: Tinypower Tm A/d Type With Lcd 8-bit Otp Mcu
• Manufacturer: Holtek Semiconductor Inc.

Selection Table
Most features are common to all devices, the main feature distinguishing them are Program Memory capacity, I/O count,
stack capacity and package types. The following table summarises the main features of each device.
Note:
Block Diagram
Rev. 1.10
HT56R66
HT56R666
Part No.
1. The devices are only available in OTP versions.
2. For devices that exist in more than one package formats, the table reflects the situation for the larger
package.
2.2V~
2.2V~
VDD
5.5V
5.5V
Program
Memory
16K 16
16K 16
Memory
1152 8
1152 8
Data
I/O
32
24
48 16
48 4
49 3
56 8
LCD
or
or
2
8-bit 16-bit
3
3
Timer
1
1
12-bit 8 12-bit 4
12-bit 8 12-bit 4
A/D
HT56R66/HT56R666
PWM
September 8, 2009
Stack Package
12
12
64LQFP,
100QFP
100QFP
52QFP,