upd6p4b Renesas Electronics Corporation., upd6p4b Datasheet
upd6p4b
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upd6p4b Summary of contents
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SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION DESCRIPTION The PD6P4B is a microcontroller for infrared remote control transmitters which is provided with a one-time PROM as the program memory. Because users can write programs for the PD6P4B ...
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ORDERING INFORMATION Part Number PD6P4BGS 20-pin plastic SOP (7.62 mm (300)) PD6P4BMC-5A4 20-pin plastic SSOP (7.62 mm (300)) PIN CONFIGURATION (TOP VIEW) 20-pin Plastic SOP (7.62 mm (300)) • PD6P4BGS 20-pin Plastic SSOP (7.62 mm (300)) • PD6P4BMC-5A4 (1) Normal ...
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PROM programming mode CLK ( OUT X IN GND V PP Caution Round brackets ( ) indicate the pins not used in the PROM programming mode Connect each of these ...
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LIST OF FUNCTIONS Item ROM capacity 1002 10 bits One-time PROM RAM capacity 32 4 bits Stack 1 level (shared with RF of RAM) I/O pin Key input (K Key I/O (K Key expansion input (S Remote control transmitter display ...
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PIN FUNCTIONS ......................................................................................................................... 1.1 Normal Operating Mode .................................................................................................................... 1.2 PROM Programming Mode ............................................................................................................... 1.3 INPUT/OUTPUT Circuits of Pins ...................................................................................................... 1.4 Dealing with Unused Pins ................................................................................................................ 1.5 Notes on Using K Pin at Reset ........................................................................................................ I 2. DIFFERENCES AMONG PD62, ...
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PIN FUNCTIONS 1.1 Normal Operating Mode Pin No. Symbol These pins refer to the 8-bit I/O ports. I/O switching can I/O0 I/O7 be made in 8-bit units. 2 15-20 In INPUT mode, a pull-down resistor is ...
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PROM Programming Mode Pin No. Symbol 8-bit data input/output when writing/verifying program memory 0 7 15-20 3 CLK Clock input for updating address when writing/verifying program memory 6 V Power Supply. DD Supply +6 V ...
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INPUT/OUTPUT Circuits of Pins The input/output circuits of the PD6P4B pins are shown in partially simplified forms below. ( I/O0 I/O7 Output data latch output disable Input buffer Note The drive capability is held low. (2) K ...
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Dealing with Unused Pins The following connections are recommended for unused pins in the normal operation mode. Table 1-1. Connections for Unused Pins Pin K INPUT mode I/O OUTPUT mode REM S /LED Note ...
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DIFFERENCES AMONG PD62, 63, 63A, 64, AND PD6P4B Table 2-1 shows the differences among the PD62, 63, 63A, 64, and PD6P4B. The only differences among these models are the program memory, supply voltage, system clock frequency, oscillation stabilization wait ...
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Program Memory (One-time PROM) ... 1002 steps This one-time PROM is configured with 10 bits per step and is addressed by the program counter. The program memory stores programs and table data. The 22 steps from addresses 3EAH through ...
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WRITING AND VERIFYING ONE-TIME PROM (PROGRAM MEMORY) The program memory of the PD6P4B is a one-time PROM of 1002 To write or verify this program memory, the pins shown in Table 3-1 are used. Note that no address input ...
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Program Memory Writing Procedure The program memory is written at high speed in the following procedure. (1) Pull down the pins not used to GND via resistor. Keep the CLK pin low. (2) Supply the V ...
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Program Memory Reading Procedure (1) Pull down the pins not used to GND via resistor. Keep the CLK pin low. (2) Supply the V pin. Keep the V DD (3) Supply the V ...
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ELECTRICAL SPECIFICATIONS Absolute Maximum Ratings ( Parameter Symbol Power supply voltage Input voltage I/O Output voltage V O Note High-level output current I REM OH LED One K ...
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DC Characteristics (T = – Parameter Symbol High-level input voltage V RESET IH1 V K IH2 I IH3 I Low-level input voltage V RESET IL1 V K IL2 I ...
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AC Characteristics (T = – Parameter Symbol Instruction execution time 2 high-level width When canceling Standby mode ...
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PROM Programming Mode DC Programming Characteristics (T A Parameter Symbol High-level input voltage V IH1 V IH2 Low-level input voltage V IL1 V IL2 Input leakage current I LI High-level output voltage V OH Low-level output voltage ...
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AC Programming Characteristics (T A Parameter Symbol Note 2 Address setup time (vs setup time (vs Data setup time (vs Note 2 Address hold time (vs ...
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Program Memory Write Timing t WAIT t VPS t RES GND t VDS GND CLK Hi Data input ...
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CHARACTERISTIC CURVE (REFERENCE VALUES MHz 1.8 1.6 1.4 OPERATING mode 1.2 HALT mode 1.0 0.8 0.6 0.4 0 2.2 3 Power supply voltage ...
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I 320 280 240 200 160 120 0.6 1.2 1.8 2.4 Low-level output voltage V [ 3.0 V) –15 ...
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APPLIED CIRCUIT EXAMPLE Example of Application to System • Remote-control transmitter (40 keys; mode selection switch accommodated) K I/ /LED 1 REM OUT X IN GND RESET • Remote-control ...
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PACKAGE DRAWINGS 20-PIN PLASTIC SOP (7.62 mm (300 NOTE Each lead centerline is located within 0. its true position (T.P.) at maximum material condition ...
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PLASTIC SSOP (7.62 mm (300 NOTE Each lead centerline is located within 0. its true position (T.P.) at maximum material condition. 11 detail of lead end ...
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RECOMMENDED SOLDERING CONDITIONS Carry out the soldered packaging of this product under the following recommended conditions. For details of the soldering conditions, refer to information material Semiconductor Device Mounting Technology Manual (C10535E). For soldering methods and conditions other than ...
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APPENDIX A. DEVELOPMENT TOOLS A PROM programmer, program adapter, and emulator are provided for the PD6P4B. Hardware Note PROM programmer (AF-9706 This PROM programmer supports the PD6P4B. By connecting a program adapter to this PROM programmer, the PD6P4B can be ...
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APPENDIX B. EXAMPLE OF REMOTE-CONTROL TRANSMISSION FORMAT (in the case of NEC transmission format in command one-shot transmission mode) Caution When using the NEC transmission format, please apply for a custom code at NEC. (1) REM output waveform (From <2> ...
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Carrier waveform (Enlarged waveform of each code’s high period) REM output 8.77 s (6) Bit array of each code Leader code Custom code Caution To prevent ...
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NOTES FOR CMOS DEVICES 1 PRECAUTION AGAINST ESD FOR SEMICONDUCTORS Note: Strong electric field, when exposed to a MOS device, can cause destruction of the gate oxide and ultimately degrade the device operation. electricity as much as possible, and quickly ...
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Regional Information Some information contained in this document may vary from country to country. Before using any NEC product in your application, pIease contact the NEC office in your country to obtain a list of authorized representatives and distributors. They ...
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MS-DOS is either a registered trademark or a trademark of Microsoft Corporation in the United States and/ or other countries. PC/AT and PC DOS are trademarks of IBM Corp. The export of this product from Japan is regulated by the ...