lc72323 Sanyo Semiconductor Corporation, lc72323 Datasheet
lc72323
Available stocks
Related parts for lc72323
lc72323 Summary of contents
Page 1
... Ordering number : EN4950A Overview The LC72323 is a single-chip microcontroller for use in electronic tuning applications. It includes on chip both LCD drivers and a PLL circuit that can operate 150 MHz. It features a highly efficient instruction set, and powerful hardware. Functions • Stack: Eight levels • ...
Page 2
... Pin Assignment LC72323 No. 4950-2/13 ...
Page 3
... Block Diagram LC72323 No. 4950-3/13 ...
Page 4
... Operating temperature Storage temperature Allowable Operating Ranges –40 to +85°C, V Parameter Supply voltage Input high level voltage Input low level voltage Input frequency Input amplitude Input voltage range LC72323 = Symbol Conditions V max HOLD, INT, RES, ADI, SNS, and the G port ...
Page 5
... Pull-down resistance Output high level off leakage current Output low level off leakage current Output high level voltage Output low level voltage Output middle level voltage A/D conversion error Current drain LC72323 Symbol Conditions V LCTR (period), RES, INT, PE1, PE3 H P SNS ...
Page 6
... Test Circuits Note PF, PH, and PI are all open. However, PE and PF are output selected. Figure 1 I Note PI S4, COM1, and COM2 are all open. LC72323 HOLD Mode DD DD Figure BACK UP Mode DD No. 4950-6/13 ...
Page 7
... RES pin is low. PF3 11 In BACKUP mode these pins go to the input mode with input disabled. PG0 6 PG1 5 Dedicated input port PG2 4 Input through these pins is disabled in BACKUP mode. PG3 3 LC72323 Function I/O Input Output I/O Input I/O circuit type Continued on next page. No. 4950-7/13 ...
Page 8
... The input frequency range is from 10 to 130 MHz. AM VCO (local oscillator) input The band supported by this pin can be selected using the PLL instruction. AMIN 75 High ( MHz) SW Low (0 MHz) LW and MW LC72323 Functions I/O Output Output Output Output Input I/O circuit type Continued on next page. ...
Page 9
... SNS 72 This pin can also be used as a normal input port. Input pin used to force the LC72323 to HOLD mode The LC72323 goes to HOLD mode when the HOLDEN flag is HOLD 67 set ( instruction) and the HOLD input goes low. A high-breakdown voltage circuit is used so that this input can be used in conjunction with the normal power switch ...
Page 10
... The LC72P321 is used for OTP. • The LC72EV321 is used as the evaluation chip. • A total debugging system is available in which the TB-72EV32 evaluation chip board and the RE32 multi-function emulator are controlled by a personal computer. LC72323 Selections WDT included No WDT Pull-down resistors included No pull-down resistors 2.67 µ ...
Page 11
... LC72323 Instruction Table Abbreviations: ADDR: Program memory address [12 bits] b: Borrow B: Bank number [2 bits] C: Carry DH: Data memory address high (row address) [2 bits] DL: Data memory address low (column address) [4 bits] I: Immediate data [4 bits] M: Data memory address N: Bit position [4 bits] Pn: Port number [4 bits] r: General register (one of the locations 00 to 0FH in bank 0) ...
Page 12
... SS N Set status register RS N Reset status register TST N Test status register true TSF N Test status register false BANK B Select bank LC72323 Operation D15 ( ( ...
Page 13
... SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of December, 1997. Specifications and information herein are subject to change without notice. LC72323 Operation D15 LCD (DIGIT) ...