On-Chip Supporting Modules
Series
Product names
Bus controller (BSC)
Data transfer controller (DTC)
8-bit PWM timer (PWM)
14-bit PWM timer (PWMX)
16-bit free-running timer (FRT)
8-bit timer (TMR)
Timer connection
Watchdog timer (WDT)
Serial communication interface (SCI)
I
2
C bus interface (IIC)
Host interface (HIF)
D/A converter
A/D converter
H8S/2138 Series
H8S/2138, 2137
Available (8 bits)
Available
×16
×2
×1
×4
Available
×2
×3
×2
(option)
×2
×2
×8
(analog input)
H8S/2134 Series
H8S/2134, 2133, 2132,
2130
Available (8 bits)
—
—
×2
×1
×3
—
×2
×3
—
—
×2
×8
(analog input)
×8
×8
(expansion A/D inputs) (expansion A/D inputs)