Electronic Components Datasheet Search |
|
S87C196MC Datasheet(PDF) 8 Page - Intel Corporation |
|
S87C196MC Datasheet(HTML) 8 Page - Intel Corporation |
8 / 22 page 8XC196MC PIN DESCRIPTIONS (Alphabetically Ordered) (Continued) Symbol Function PORT6 8-bit output port P66 and P67 output PWM the others are used as the Wave Form Generator outputs Can be used as standard output ports PWM0 PWM1 Programmable duty cycle Programmable frequency Pulse Width Modulator (P66 P67) pins The duty cycle has a resolution of 256 steps and the frequency can vary from 122 Hz to 31 KHz (16 MHz input clock) Pins may be configured as standard output if PWM is not used RD (P53) Read signal output to external memory RD is low only during external memory reads Can be used as standard IO when not used as RD READY (P56) Ready input to lengthen external memory cycles If READY e 0 the memory controller inserts wait states until the next positive transition of CLKOUT occurs with READY e 1 Can be used as standard IO when not used as READY RESET Reset input to and open-drain output from the chip Held low for at least 16 state times to reset the chip Input high for normal operation RESET has an Ohmic internal pullup resistor T1CLK Timer 0 Clock input This pin has two other alternate functions ACH10 and (P12) P12 T1DIR Timer 0 Direction input This pin has two other alternate functions ACH11 and (P13) P13 VPP The programming voltage is applied to this pin It is also the timing pin for the return from Power Down circuit Connect this pin with a 1 mF capacitor to VSS anda1MX resistor to VCC If the Power Down feature is not used connect the pin to VCC WG1 – WG3WG1 – WG3 3 phase output signals and their complements used in motor control (P60 – P65) applications The pins can also be configured as standard output pins WR WRL (P52) Write and Write Low output to external memory WR will go low every external write WRL will go low only for external writes to an even byte Can be used as standard IO when not used as WR WRL XTAL1 Input of the oscillator inverter and the internal clock generator This pin should be used when using an external clock source XTAL2 Output of the oscillator inverter PMODE Determines the EPROM programming mode (P04 – 7) PACT A low signal in Auto Programming mode indicates that programming is in (P25) process A high signal indicates programming is complete PALE A falling edge in Slave Programming Mode and Auto Configuration Byte (P21) Programming Mode indicates that ports 3 and 4 contain valid programming addresscommand information (input to slave) PROG A falling edge in Slave Programming Mode begins programming A rising edge (P22) ends programming PVER A high signal in Slave Programming Mode and Auto Configuration Byte (P20) Programming Mode indicates the byte programmed correctly CPVER Cumulative Program Verification Pin is high if all locations since entering a (P26) programming mode have programmed correctly AINC Auto Increment Active low input enables the auto increment mode Auto (P24) increment will allow reading or writing of sequential EPROM locations without address transactions across the PBUS for each read or write 8 |
Similar Part No. - S87C196MC |
|
Similar Description - S87C196MC |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.NET |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | 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 |