Texas Instruments 99/4A - Page 7

SCHEMATIC PACKAGE: 99/4
FIGURE # DESCRIPTION PAGE #
43 System Block Diagram ............................................................................................ 1
44 9900, ROM, RAM, And MUXing Circuit .................................................... 1
45 GROM And Audio Circuit ...................................................................................... 1
46 RAM And Video Circuit ........................................................................................ 1
47 9901, Keyboard, Cassette, Joystick Circuit ................................ 1
48 I/O Buffers And I/O Port ............................................................................. 1
49 Power Supply ................................................................................................................... 1
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SCHEMATIC PACKAGE: 99/ 4A
SO System Block Diagram ............................................................................................. 130
51 9900, ROM, RAM, And MUXing Circuit ..................................................... 131
52 GROM And Audio Circuit ........................................................................................ 132
53 RAM And Video Circuit .......................................................................................... 133
54 9901, Keyboard, Cassette, Joystick Circuit ............................. 134
55 I/O Buffers And I/O Port .................................................................................. 135
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