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CHAPTER 6 LOW POWER CONSUMPTION MODE
6.7
State of Pins in Standby Mode and during Reset
The state of pins in standby mode and during reset are summarized below for each
memory access mode.
■
Software Pull-up Resistor
For pins with a pull-up resistor selected by software, the pull-up resistor is disconnected during L level
output.
■
State of Pins in Single-chip Mode
Table 6.7-1 lists the state of pins in single-chip mode.
Table 6.7-1 State of Pins in Single-chip Mode
Pin name
Standby mode
Reset
Sleep
Stop
SPL = 0
SPL = 1
P00 to P07
P17
P20 to P27
P30 to P37
P40
P42 to P47
P50 to P57
P60 to P63
The preceding state is
retained
*2
The preceding state is
retained
*2
Input shut off
*3
/
output Hi-Z
Input disabled /
output Hi-Z
P10 to P16
P63
Input enabled
*1
*1: "Input enabled" means that the input function is enabled when corresponding external interrupt pin is enable. Select
either the pull-up or the pull-down option. Alternatively, an external input is required. Pins used as output ports are the
same as other ports.
*2: "The preceding state is retained" means that the state of the pin output existing immediately before switching to this
mode is retained. Note that input is disabled if the preceding state was input.
•
"State of the pin output is retained" means that the pin retains the value output from an operating internal
peripheral unit or the value output from the port if the pin is used as a port.
•
"Input disabled" means that the input to the pin is not accepted because the internal circuit is inactive,
although operation of the input gate adjacent to the pin is enabled.
*3: In the "Input shut off" state, input is masked and the "L" level is transmitted internally. "Output Hi-Z" means that the
pin state is high-impedance because driving of the pin driving transistor is disabled.
Summary of Contents for MB90460 Series
Page 1: ...The following document contains information on Cypress products ...
Page 3: ......
Page 5: ......
Page 9: ...iv ...
Page 41: ...22 CHAPTER 1 OVERVIEW ...
Page 45: ...26 CHAPTER 2 NOTES ON HANDLING DEVICES ...
Page 83: ...64 CHAPTER 3 CPU ...
Page 95: ...76 CHAPTER 4 RESET ...
Page 107: ...88 CHAPTER 5 CLOCK ...
Page 131: ...112 CHAPTER 6 LOW POWER CONSUMPTION MODE ...
Page 175: ...156 CHAPTER 7 INTERRUPT ...
Page 181: ...162 CHAPTER 8 MODE SETTING ...
Page 223: ...204 CHAPTER 9 I O PORT ...
Page 237: ...218 CHAPTER 10 TIME BASE TIMER ...
Page 247: ...228 CHAPTER 11 WATCHDOG TIMER ...
Page 275: ...256 CHAPTER 12 16 BIT RELOAD TIMER ...
Page 373: ...354 CHAPTER 14 MULTI FUNCTIONAL TIMER ...
Page 485: ...466 CHAPTER 16 PWC Timer ...
Page 531: ...512 CHAPTER 17 UART ...
Page 559: ...540 CHAPTER 19 DELAYED INTERRUPT GENERATOR MODULE ...
Page 589: ...570 CHAPTER 20 8 10 BIT A D CONVERTER ...
Page 601: ...582 CHAPTER 21 ROM CORRECTION FUNCTION ...
Page 633: ...614 CHAPTER 23 512K 1024K BIT FLASH MEMORY ...
Page 645: ...626 CHAPTER 24 EXAMPLE OF F2 MC 16LX MB90F462 F462A F463A CONNECTION FOR SERIAL WRITING ...
Page 715: ...696 APPENDIX ...
Page 716: ...697 INDEX INDEX The index follows on the next page This is listed in alphabetic order ...
Page 739: ......