Table of Contents
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List of Functions
Group
Part No.
ROM size (kbytes)
RAM size (kbytes)
I/O ports
Input/output
ports
Input
ports
Interrupts
External
interrupts
Internal
interrupts
Timer A (for realtime
clock)
Timer B (8 bits)
Timer C (8 bits)
Timer F (16 bits)
Watchdog timer
14-bit PWM
Serial communication
interface (SCI)
A/D converter
LCD
Max.
controller
display dots
Display
RAM size
Packages Pins
Shipping
form
Note:
Note that the H8/3854F (F-ZTAT version) and H8/3854 (mask ROM version) have
*
different ROM and RAM sizes.
When carrying out program development using the H8/3854F with the intention of mask
ROM implementation, care must be taken with ROM and RAM sizes since the
maximum sizes for the mask ROM version are 32 kbytes of ROM and 1 kbyte of RAM.
Rev.3.00 Jul. 19, 2007 page vi of xxiv
REJ09B0397-0300
H8/3857 Group
F-ZTAT
Version
Mask ROM Version
H8/3857F H8/3857 H8/3856 H8/3855
60
60
48
2
2
2
35
35
35
9
9
9
13
13
13
sources
sources
sources
16
16
16
sources
sources
sources
⎯
⎯
× 2
× 2
× 2
8 ch
8 ch
8 ch
1280
1280
1280
dots
dots
dots
2048
2048
2048
bits
bits
bits
144
144
144
FP-144H (20 × 20 mm)
TFP-144 (16 × 16 mm)
Die (F-ZTAT version: 7.08 × 7.31 mm /
mask ROM version: 6.21 × 6.21 mm)
H8/3854 Group
F-ZTAT
Version
H8/3854F H8/3854 H8/3853 H8/3852
40
60*
2
2*
35
24
9
5
13
12
sources
sources
16
14
sources
sources
⎯
⎯
⎯
× 2
× 1
8 ch
4 ch
1280
640
dots
dots
2048
640
bits
bits
144
100
FP-100B (14 × 14 mm)
TFP-100G (12 × 12 mm)
Die (F-ZTAT version: 6.34 × 6.34 mm /
mask ROM version: 4.69 × 4.69 mm)
Mask ROM Version
32*
24
16
1*
1*
1*
24
24
24
5
5
5
12
12
12
sources
sources
sources
14
14
14
sources
sources
sources
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
× 1
× 1
× 1
4 ch
4 ch
4 ch
640
640
640
dots
dots
dots
640
640
640
bits
bits
bits
100
100
100
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