upd6p9 Renesas Electronics Corporation., upd6p9 Datasheet - Page 4

• Manufacturer Part Number: upd6p9
• Description: 4-bit Single-chip Microcontroller For Infrared Remote Control Transmission
• Manufacturer: Renesas Electronics Corporation.

1. PIN FUNCTIONS .........................................................................................................................
2. DIFFERENCES BETWEEN µ PD67, 67A, 68, 68A, 69, 69A, AND µ PD6P9 .............................. 10
3. INTERNAL CPU FUNCTIONS .................................................................................................. 11
4. TIMER ......................................................................................................................................... 16
5. WRITING AND VERIFYING ONE-TIME PROM (PROGRAM MEMORY) .................................. 23
6. ELECTRICAL SPECIFICATIONS ............................................................................................... 26
7. CHARACTERISTIC CURVES (REFERENCE VALUES) ( µ PD6P9M1) ...................................... 32
8. APPLICATION CIRCUIT EXAMPLE .......................................................................................... 33
9. PACKAGE DRAWING ................................................................................................................ 36
4
1.1
1.2
1.3
1.4
1.5
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
4.1
4.2
4.3
4.4
5.1
5.2
5.3
Normal Operation Mode ....................................................................................................................
PROM Programming Mode ...............................................................................................................
Pins I/O Circuits .................................................................................................................................
Recommended Connection of Unused Pins ...................................................................................
Notes on Using K
Program Counter (PC): 12 Bits ........................................................................................................ 11
Stack Pointer (SP): 1 Bit ................................................................................................................... 11
Address Stack Register (ASR (RF)): 12 Bits ................................................................................... 11
Program Memory (One-Time PROM): 4,074 Steps × 10 Bits ......................................................... 12
Data Memory (RAM): 128 × 4 Bits .................................................................................................... 13
Data Pointer (DP): 12 Bits ................................................................................................................. 14
Accumulator (A): 4 Bits .................................................................................................................... 14
Arithmetic and Logic Unit (ALU): 4 Bits .......................................................................................... 14
Flags ................................................................................................................................................... 15
3.9.1
3.9.2
Timer Configuration .......................................................................................................................... 16
Timer Operation ................................................................................................................................. 17
Carrier Output .................................................................................................................................... 19
4.3.1
4.3.2
Software Control of Timer Output ................................................................................................... 22
Operating Mode When Writing/Verifying Program Memory .......................................................... 23
Program Memory Writing Procedure ............................................................................................... 24
Program Memory Reading Procedure ............................................................................................. 25
Status flag (F) .......................................................................................................................... 15
Carry flag (CY) ........................................................................................................................ 15
Carrier output generator .......................................................................................................... 19
Carrier output control .............................................................................................................. 20
I
Pin After Reset ...................................................................................................
Data Sheet U15144EJ1V1DS
CONTENTS
µ PD6P9
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6
7
8
9
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