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Merge pull request #5451 from clawgrip/patch-3

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ml20.cpp: Add small note (mw)
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ajrhacker 2019-08-07 10:50:48 -04:00 committed by GitHub
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src/mame/drivers/ml20.cpp
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@ -6,40 +6,43 @@
Access control device with dot-matrix display
ML20/232
____________________________________________________
| ________ ________ ________ ______ __ |
| |74HC04N|M74HC139B1 |__DP1__| |_XT1_| : CN7 |
|__ _______________ ____________ JP2 |
||C||IC4 M27C512 || |D70320L-8 | (CN4)__ |
||N||_____________|| |NEC V25 | ______ |C| |
||2|_______________ | | |BATT | |N| |
||_||KM681000CLP-7L| | | |_____| |6| |
|__ |______________| |___________| o <- LED |
||C| ________ ________ .. <- JP1 |
||N||_M6242B_| MAX693CPE __ |
||8| ________ |C|__ |
| ULN2003A |N|| ||
| :<-JP4 ________ ____ |3||_|<- LM2575T
| ________ SN74HC05N TLP504A |_| |
|__ MAX232CPE |
|| | MEISEI ________ |
|| | ________ P12 P12 MAX232CPE |
||_| 26LS32ACN __ |
| :: <-JP5 |F||
| ____________ ________ ________ |U||
| |___CN10____| |_CN11__| |_______| ________ |S||
| |___________| |_____ | |_CN9___| |_CN1___| E |
|___________________________________________________|
ML20/232
____________________________________________________
| ________ ________ ________ ______ __ |
| |74HC04N|M74HC139B1 |__DP1__| |_XT1_| : CN7 |
|__ _______________ ____________ JP2 |
||C||IC4 M27C512 || |D70320L-8 | (CN4)__ |
||N||_____________|| |NEC V25 | ______ |C| |
||2|_______________ | | |BATT | |N| |
||_||KM681000CLP-7L| | | |_____| |6| |
|__ |______________| |___________| o <- LED |
||C| ________ ________ .. <- JP1 |
||N||_M6242B_| MAX693CPE __ |
||8| ________ |C|__ |
| XT2 ULN2003A |N|| ||
| :<-JP4 ________ ____ |3||_|<- LM2575T
| ________ SN74HC05N TLP504A |_| |
|__ MAX232CPE :<-JP8 |
|| | MEISEI ________ |
|| | ________ P12 P12 MAX232CPE |
||_| 26LS32ACN __ |
| :: <-JP5 |F||
| ____________ ________ ________ |U||
| |___CN10____| |_CN11__| |_______| ________ |S||
| |___________| |_____ | |_CN9___| |_CN1___| E |
|___________________________________________________|
XT1 = 16.000 MHz
DP1 = 8 dipswitches
CN4 = Speaker
CN9 = RS232
CN8 = Power Out
CN6 = Magnetic stripe reader
CN2 = Display (dot-matrix, 2 lines x 16 characters, 5x7 each character)
CN7 = Keypad
XT1 = 16.000 MHz
XT2 = S873
DP1 = 8 dipswitches
CN4 = Speaker
CN9 = RS232
CN8 = Power Out
CN6 = Magnetic stripe reader
CN2 = Display (dot-matrix, 2 lines x 16 characters, 5x7 each character)
CN7 = Keypad
Display = Hyundai HC16203-A (Hitachi HD44780A00 based).
Status:
- Shows current date and time, then presumably waits for keypad input