Renesas PROM Programming Adapter PCA7408 Manual do Utilizador descarregar pdf (Página 55)

M37221M4H/M6H/M8H/MAH–XXXSP/FP M37221EASP/FP

Rev.1.00 Oct 01, 2002 page 55 of 110

REJ03B0134-0100Z

The OSD circuit has an extended display mode. This mode allows

multiple lines (3 lines or more) to be displayed on the screen by inter-

rupting the display each time one line is displayed and rewriting data

in the block for which display has been terminated by software.

Figure 8.11.1 shows the configuration of an OSD character. Figure

8.11.2 shows the block diagram of the OSD circuit. Figure 8.11.3

shows OSD control register.

Fig. 8.11.1 Configuration of OSD Character Display Area

12 dots

16 dots

1 2 ... 50 51 52 53 54 55 56 57 58 59 60 ... 111 112

1. DESCRIPTION 0
2. FEATURES 0
3. APPLICATION 0
REJ03B0134-0100Z 1
Address 00E016 2
Addresses 00DE16 and 00DF16 2
Addresses 00E116 and 00E216 3
Address 00E416 3
Addresses 00E616 to 00E916 4
Address 00E516 4
Address 00EA16 5
Addresses 00EC16 5
Address 00ED16 6
Addresses 00EE16 6
Address 00EF16 7
Addresses 00F416 7
Address 00F516 8
Addresses 00F916 8
Address 00FB16 9
Addresses 00FC16 9
Address 00FD16 10
Addresses 00FE16 10
Address 00FF16 11
Addresses 021B16 11
42P2R-A/E 13
REVISION HISTORY 14
RENESAS SALES OFFICES 15
8. FUNCTION BLOCK DESCRIPTION 16
8.1.1 CPU Mode Register 16
RCR1 RCR0 21
TABLE OF CONTENTS 24
(4) Serial I/O interrupt 25
(5) f(XIN)/4096 interrupt 25
(6) Multi-master I 25
C-BUS interface interrupt 25
(7) BRK instruction interrupt 25
8.4 TIMERS 29
8.4.1 Timer 1 29
8.4.2 Timer 2 29
8.4.3 Timer 3 29
8.4.4 Timer 4 29
Timer 34 Mode Register 30
8.5 SERIAL I/O 32
16), and the transfer 33
OUT pin. Transfer 33
4. PIN CONFIGURATION 35
Outline 42P4B 35
Outline 42P2R-A/E 35
8.6 MULTI-MASTER I 37
C-BUS INTERFACE 37
C Data Shift Register 38
C Address Register 39
16) is used to set ACK 40
C Control Register 42
(1) 7-bit addressing format 47
(2) 10-bit addressing format 47
(5) Writing to I 50
C status register 50
8.8 A-D COMPARATOR 56
5. FUNCTIONAL BLOCK DIAGRAM 57
8.9 D-A CONVERTER 59
8.10 ROM CORRECTION FUNCTION 61
8.11 OSD FUNCTIONS 62
OSD Control Register 65
8.11.1 Display Position 66
6. PERFORMANCE OVERVIEW 68
Vertical Position Register i 69
Horizontal Position Register 70
8.11.2 Character Size 71
8.11.3 Clock for OSD 73
8.11.4 Memory for OSD 74
Border Selection Register 80
8.11.7 Multiline Display 81
8.11.8 OSD Output Pin Control 82
8.13. RESET CIRCUIT 85
8.14 CLOCK GENERATING CIRCUIT 86
8.17 ADDRESSING MODE 87
8.18 MACHINE INSTRUCTIONS 87
9. TECHNICAL NOTES 87
8.16 AUTO-CLEAR CIRCUIT 87
10. ABSOLUTE MAXIMUM RATINGS 88
7. PIN DESCRIPTION 90
+ Power source voltage 91
15. MULTI-MASTER I 92
16. PROM PROGRAMMING METHOD 93
M37221EASP 95
M37221EAFP 95
19. APPENDIX 96
Pin Configuration (TOP VIEW) 96
Memory Map 98
Register (SFR) 100
Program Counter at Reset 104
Structure of Register 105
Address 00C716 106
Address 00CB16 107
Address 00CD16 107
Address 00D516 108
Address 00D616 108
Address 00D816 109
Address 00D716 109
Address 00D916 110
Address 00DA16 110
Address 00DB16 111
Address 00DC16 111

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