Datasheet

Rev. 4.00 Sep 27, 2006 page vi of xliv

This manual describes the hardware of the H8S/2148 Group, H8S/2144 Group, and H8S/2147N.

Refer to the H8S/2600 Series and H8S/2000 Series Software Manual for a detailed description of

the instruction set.

Note: * F-ZTAT (Flexible-ZTAT) is a trademark of Renesas Technology Corp.

On-Chip Supporting Modules

Group H8S/2148 Group H8S/2147N H8S/2144 Group

Product names H8S/2148,

H8S/2147

H8S/2147N H8S/2144,

H8S/2143,

H8S/2142

Bus controller (BSC) Available (16 bits) Available (16 bits) Available (16 bits)

Data transfer controller (DTC) Available — —

8-bit PWM timer (PWM) ×16 ×16 —

14-bit PWM timer (PWMX) ×2 ×2 ×2

16-bit free-running timer (FRT) ×1 ×1 ×1

8-bit timer (TMR) ×4 ×3 ×3

Timer connection Available — —

Watchdog timer (WDT) ×2 ×2 ×2

Serial communication interface (SCI) ×3 ×3 ×3

C bus interface (IIC) ×2 (option) ×2 (option) —

Keyboard buffer controller

(PS/2 compatible)

×3 ×3—

Host interface (HIF) ×4 ×4—

D/A converter ×2 ×2 ×2

A/D converter Analog inputs ×8 ×8 ×8

Expansion A/D inputs ×16 ×16 ×16