HD68230
HD68230 is Parallel Interface Timer manufactured by Hitachi Semiconductor.
FEATURES
- HD68000 Bus patible
- Port Modes Include:
Bit I/O Unidirectional 8-Bit and 16-Bit Bidirectional 8-Bit and 16-Bit
- Selectable Handshaking Options
- 24-Bit Programmable Timer
- Software Programmable Timer Modes
- Contains Interrupt Vector Generation Logic
- Separate Port and Timer Interrupt Service Requests
- Registers are Read IWrite and Directly Addressable
- Registers are Addressed for MOVEP (Move Peripheral) and DMAC patibility
- TYPE OF PRODUCTS
Type No.
HD68230P-8 HD68230P-l0
Bus Timing
8 MHz 10 MHz
-PRELIMINARY-
HD68230P8 HD68230Pl0
(DP-48)
- PIN ARRANGMENT
Os , 06 2 07 3 PAo 4 PAl 5 PA2 6 PA3 7 PA4 8 PAs 9 PA6'
PBa 1 PS, , PB2 1 PB3
02 D, Do R/Vii i J'f AC"i(
'CS e LK
REm
Vss pcdn Aa<
PCe/Pi AC'K PC5/~ PC4/DMAREn pel/TOUT Pe2/TIN 31 PC, pea
AS1
RS2
'R53 R54
(Top View)
~HITACHI
Hitachi America Ltd.- 2210 O'Toole Avenue
- San Jose, CA 95131
- (408) 435-8300
HD68230--------------------------------------------------------------
- PIIT SYSTEM BLOCK...