HT56R22/HT56R23/HT56R24/HT56R25/HT56R26
Selection Table
Part No.
Program Data
Memory Memory
I/O
Timer
Time HIRC
8-bit 16-bit Base (MHz)
RTC
(LXT)
LCD
SCOM
A/D
D/A
PWM Stack
Package
HT56R22 2K´14 128´8 22 2
¾
1 4/8/12 Ö
16DIP/NSOP/SSOP
4 12-bit´8 12-bit´1 12-bit´3 6
20DIP/SOP/SSOP
24SKDIP/SOP/SSOP
HT56R23 4K´15 256´8 42 2
1
1 4/8/12 Ö
4
12-bit´8 12-bit´1 12-bit´4
12
28SKDIP/SOP/SSOP
44QFP
HT56R24 8K´16 640´8 42 2
1
1 4/8/12 Ö
4
12-bit´8 12-bit´1 12-bit´4
12
28SKDIP/SOP/SSOP
44QFP
HT56R25 16K´16 1152´8 50 3
1
1 4/8/12 Ö
4 12-bit´8 12-bit´1 12-bit´4 12
28SKDIP/SOP
28SSOP(209mil)
44/52QFP
HT56R26 32K´16 2304´8 50 3
1
1 4/8/12 Ö
4 12-bit´8 12-bit´1 12-bit´4 12
28SKDIP/SOP
28SSOP(209ml)
44/52QFP
Note:
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.
Block Diagram
The following block diagram illustrates the main functional blocks.
LC D
SCO M
PW M
PFD
I/O
D r iv e r
D r iv e r
P o rts
T im in g
G e r n e r a tio n
8 - b it
R IS C
M CU
C o re
D /A
A /D
T im e
C o n v e rte r
C o n v e rte r
T im e r
B ase
R O M /R A M
M e m o ry
Rev. 1.00
2
March 11, 2010