µPD17145(A1), 17147(A1), 17149(A1)
CONTENTS
1.
PIN .....................................................................................................................................9
1.1. Pin Function ..................................................................................................................................... 9
1.2 Equivalent Circuit of Pin ............................................................................................................... 11
1.3 Handling of Unused Pins .............................................................................................................. 15
1.4 Note on Using RESET and P0F0/RLS Pins ............................................................................... 16
2.
PROGRAM MEMORY (ROM)...................................................................................... 17
2.1 Configuration of Program Memory .............................................................................................. 17
3.
PROGRAM COUNTER (PC) ....................................................................................... 18
3.1 Configuration of Program Counter .............................................................................................. 18
3.2 Operation of Program Counter .................................................................................................... 18
4.
STACK ........................................................................................................................... 19
4.1 Configuration of Stack .................................................................................................................. 19
4.2 Stack Function ............................................................................................................................... 19
5.
DATA MEMORY (RAM) ............................................................................................... 20
5.1 Configuration of Data Memory..................................................................................................... 20
6.
GENERAL REGISTER (GR)........................................................................................ 21
6.1 General Register Pointer (RP)..................................................................................................... 21
7.
SYSTEM REGISTER (SYSREG) ................................................................................ 22
7.1 Configuration of System Register ............................................................................................... 22
8.
REGISTER FILE (RF) .................................................................................................. 24
8.1 Configuration of Register File ...................................................................................................... 24
8.2 Function of Register File .............................................................................................................. 25
9.
DATA BUFFER (DBF) ................................................................................................. 26
9.1 Configuration of Data Buffer ........................................................................................................ 26
9.2 Function of Data Buffer ................................................................................................................ 27
10. ALU BLOCK .................................................................................................................. 28
10.1 Configuration of ALU Block .......................................................................................................... 28
11. PORTS ........................................................................................................................... 30
11.1 Port 0A (P0A0, P0A1, P0A2, P0A3) .............................................................................................. 30
11.2 Port 0B (P0B0, P0B1, P0B2, P0B3) .............................................................................................. 31
11.3 Port 0C (P0C0/ADC0, P0C1/ADC1, P0C2/ADC2, P0C3/ADC3) ................................................... 32
11.4 Port 0D (P0D0/SCK, P0D1/SO, P0D2/SI, P0D3/TM1OUT) ........................................................ 33
11.5 Port 0E (P0E0, P0E1, P0E2, P0E3) .............................................................................................. 34
11.6 Port 0F (P0F0/RLS, P0F1/VREF) ................................................................................................... 34
6
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