Renesas Hitachi H8S/2191, Hardware Manual

Page: 31 / 1065

Rev. 2.0, 11/00, page 4 of 1037
Item Specifications
Serial
communication
interface (SCI) ■
Two types of serial communication interface is incorporated
(1) SCI1
•
Asynchronous mode or synchronous mode selectable
•
Desired bit rate selectable with built-in baud rate generator
•
Multiprocessor communication function
(2) SCI2
•
32-byte data automatically transferrable
•
Transfer clock selectable among seven types of internal/external clock
I
2
C bus interface
•
Conforms to Phillips I
2
C bus interface standard
•
Single master mode/slave mode
•
Arbitration lost condition can be identified
•
Supports two slave addresses
A/D converter
•
Resolution: 10 bits
•
Input: 12 channels
•
High-speed conversion: 13.4
µ
s minimum conversion time (10 MHz
operation)
•
Sample-and-hold function
•
A/D conversion can be activated by software or external trigger
Address trap
controller
•
Interrupt occurs when the preset address is found during bus cycle
•
To-be-trapped addresses can be individually set at three different
locations
I/O port
•
60 input/output pins
•
8 input-only pins
•
Can be switched for each supporting module
Servo circuit
■
Digital servo circuits on-chip
•
Input and output circuits
•
Error detection circuit
•
Phase and gain compensation
Sync signal
detector
■
On-chip sync signal detection circuit
•
Can separately detect horizontal and vertical sync signals
•
Noise detection function