Electronic Components Datasheet Search |
|
HD404449 Datasheet(PDF) 4 Page - Hitachi Semiconductor |
|
HD404449 Datasheet(HTML) 4 Page - Hitachi Semiconductor |
4 / 123 page HD404449 Series 4 Pin Description Item Symbol Pin Number I/O Function Power supply V CC 77 Applies power voltage GND 10 Connected to ground Test TEST 4 I Used for factory testing only: Connect this pin to V CC Reset RESET 7 I Resets the MCU Oscillator OSC 1 5 I Input/output pins for the internal oscillator circuit: Connect them to a ceramic oscillator, crystal, or connect OSC 1 to an external oscillator circuit OSC 2 6O X1 8 I Used for a 32.768-kHz crystal for clock purposes. If not to be used, fix the X1 pin to V CC and leave the X2 pin open. X2 9 O Port D 0–D 11 11–22 I/O Input/output pins addressed by individual bits; pins D 0–D 9 are high-current pins that can each supply up to 15 mA D 12, D13 23, 24 I Input pins addressable by individual bits R0 0–RC3 25–76 I/O Input/output pins addressable in 4-bit units Interrupt INT 0, INT1, INT 2, INT3 24–27 I Input pins for external interrupts Stop clear STOPC 23 I Input pin for transition from stop mode to active mode Serial SCK 1, SCK 2 42, 46 I/O Serial clock input/output pin interface SI 1, SI 2 43, 47 I Serial receive data input pin SO 1, SO2 44, 48 O Serial transmit data output pin Timer TOB, TOC, TOD 37–39 O Timer output pins EVNB, EVND 40, 41 I Event count input pins A/D converter AV CC 78 Power pin for A/D converter: Connect it to the same potential as V CC, as physically close to the VCC pin as possible AV SS 3 Ground for AV CC: Connect it to the same potential as GND, as physically close to the GND pin as possible AN 0–AN 3 79, 80, 1, 2 I Analog input pins for A/D converter |
Similar Part No. - HD404449 |
|
Similar Description - HD404449 |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.COM |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Datasheet Upload | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |