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Diffstat (limited to 'src/emu/cpu/ucom4/ucom4.h')
-rw-r--r--src/emu/cpu/ucom4/ucom4.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/src/emu/cpu/ucom4/ucom4.h b/src/emu/cpu/ucom4/ucom4.h
index c215b2336f2..8e872e41c8f 100644
--- a/src/emu/cpu/ucom4/ucom4.h
+++ b/src/emu/cpu/ucom4/ucom4.h
@@ -59,6 +59,36 @@ enum
};
+// pinout reference
+
+/*
+ _______ _______
+ CL1 1 |* \_/ | 42 CL0
+ PC0 2 | | 41 Vgg
+ PC1 3 | | 40 PB3
+ PC2 4 | | 39 PB2
+ PC3 5 | | 38 PB1
+ /INT 6 | | 37 PB0
+ RESET 7 | | 36 PA3
+ PD0 8 | | 35 PA2
+ PD1 9 | uPD552 | 34 PA1
+ PD2 10 | uPD553 | 33 PA0
+ PD3 11 | uPD650* | 32 PI2
+ PE0 12 | | 31 PI1
+ PE1 13 | | 30 PI0
+ PE2 14 | | 29 PH3
+ PE3 15 | | 28 PH2
+ PF0 16 | | 27 PH1
+ PF1 17 | | 26 PH0
+ PF2 18 | | 25 PG3
+ PF3 19 | | 24 PG2
+ TEST 20 | | 23 PG1
+ Vss 21 |_________________| 22 PG0
+
+ *: pin 21 is Vcc, pin 41 is Vss
+
+*/
+
class ucom4_cpu_device : public cpu_device
{