Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-23 00:39:36 +03:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

removed this duplicate sketch

Browse Source
This commit is contained in:
Michaël Banaan Ananas 2014-10-09 18:44:44 +00:00
parent 0a760ee7ce
commit 8d51b3fe25
1 changed files with 3 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
src/emu/machine/pit8253.h
View File

@ -1,9 +1,11 @@
/***************************************************************************
Intel 8253/8254
Programmable Interval Timer
As uPD71054C (8MHz), uPD71054C-10 (10MHz) - it is a clone of Intel 82C54
also available in 28-pin QFP and 44-pin PLCC (many pins NC)
_____ _____
D7 1 |* \_/ | 24 VCC
D6 2 | | 23 _WR
@ -19,25 +21,6 @@
GND 12 |_____________| 13 OUT1
**********************************************************************
_____ _____
D7 <-> 1 |* \_/ | 24 --- Vdd
D6 <-> 2 | | 23 <-- _WR
D5 <-> 3 | | 22 <-- _RD
D4 <-> 4 | | 21 <-- _CS
D3 <-> 5 | | 20 <-- A1
D2 <-> 6 | uPD71054C | 19 <-- A0
D1 <-> 7 | | 18 <-- CLK2
D0 <-> 8 | | 17 --> OUT2
CLK0 --> 9 | | 16 <-- GATE2
OUT0 <-- 10 | | 15 <-- CLK1
GATE0 --> 11 | | 14 <-- GATE1
GND --- 12 |_____________| 13 --> OUT1
uPD71054C (8MHz), uPD71054C-10 (10MHz) - it is a clone of Intel 82C54
also available in 28-pin QFP and 44-pin PLCC (many pins NC)
***************************************************************************/
#ifndef __PIT8253_H__