7545 查看數據表（PDF） - Renesas Electronics

零件编号

产品描述 (功能)

生产厂家

7545

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Renesas Electronics 

7545 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

REJ03B0140-0106

Rev.1.06

Mar 07, 2008

DESCRIPTION

The 7545 Group is the 8-bit microcomputer based on the 740

family core technology.

The 7545 Group has an 8-bit timer, power-on reset circuit and the

voltage drop detection circuit. Also, Function set ROM is

equipped.

FEATURES

• Basic machine-language instructions .................................. 71

• The minimum instruction execution time .................... 2.00 µs

(at 4 MHz oscillation frequency for the shortest instruction)

• Memory size ROM ........................................ 4K to 60K bytes

RAM ............................................ 256, 512 bytes

• Programmable I/O ports ...................................................... 25

• Key-on wakeup input .................................................. 8 inputs

• LED output port ...................................................................... 8

• Interrupts.................................................... 7 sources, 7 vectors

• Timers .......................................................................... 8-bit × 3

• Carrier wave generating circuit .......1 channel (8-bit timer × 2)

• Clock generating circuit ........................................ Built-in type

(connect to external ceramic resonator or quartz-crystal

oscillator)

• Watchdog timer .........................................................16-bit × 1

• Power-on reset circuit............................................ Built-in type

• Voltage drop detection circuit................................ Built-in type

• Power source voltage

XIN oscillation frequency at ceramic/quartz-crystal oscillation

At 4 MHz .......................................... 1.8 to 3.6 V

• Power dissipation .......................................................... 1.8mW

• Operating temperature range .................................−20 to 85 °C

APPLICATION

Remote control transmit.

PIN CONFIGURATION (TOP VIEW)

P05/KEY5

P06/KEY6

P07/KEY7

P20(LED0)/INT0

P21(LED1)/INT1

P22(LED2)

P23(LED3)

P24(LED4)

24 23 22 21 20 19 18 17

25

16

26

15

27

14

28 M37545Gx-XXXGP 13

29

12

M37545GxGP

30

11

31

10

32

9

12345678

P34

P33

P32

P31

P30

VSS

XOUT

XIN

Package type: PLQP0032GB-A (32P6U-A)

Fig. 1 Pin configuration (PLQP0032GB-A type)

Rev.1.06 Mar 07, 2008 Page 1 of 59

REJ03B0140-0106

Share Link: