RL78/F13, F14 CHAPTER 4 PORT FUNCTIONS
R01UH0368EJ0210 Rev.2.10 342
Dec 10, 2015
4.3.20 SNOOZE status output control register 1 (PSNZCNT1)
This register is used to output signals indicating that the SNOOZE mode has been entered through external pins.
It can be set by a 1-bit or 8-bit memory manipulation instruction.
Bits 7, 6, 3, and 2 are read-only because no functions are assigned to them. The other bits can be read or written to.
Any reset source clears this register to 00H.
Cautions 1. Set the target port pin to the output mode and the output latch to 0 before using the SNOOZE
status output control register.
2. Stop the output from peripheral functions assigned to output-enabled port pins and make the
register settings at the time of SNZOUT output.
3. Set WUTMMCK0 to 1 at the time of SNZOUT output.
Figure 4-93. Format of SNOOZE Status Output Control Register 1 (PSNZCNT1)
Address: F0223H After reset: 00H R/W
Symbol 7 6 5 4 3 2 1 0
PSNZCNT1 0 0 SNZACT3 OUTEN3 0 0 SNZACT2 OUTEN2
SNZACT3 SNZOUT3 active level
0 When PIOR63 = 0: Active level of SNOOZE status output to P12 is "H".
When PIOR63 = 1: Active level of SNOOZE status output to P64 is "H" (only in 100-pin or 80-pin
products).
1 When PIOR63 = 0: Active level of SNOOZE status output to P12 is "L".
When PIOR63 = 1: Active level of SNOOZE status output to P64 is "L" (only in 100-pin or 80-pin
products).
OUTEN3 SNZOUT3 enable/disable
0 When PIOR63 = 0: SNOOZE status output to P12 is disabled.
When PIOR63 = 1: SNOOZE status output to P64 is disabled (only in 100-pin or 80-pin products).
1 When PIOR63 = 0: SNOOZE status output to P12 is enabled.
When PIOR63 = 1: SNOOZE status output to P64 is enabled (only in 100-pin or 80-pin products).
SNZACT2 SNZOUT2 active level
0 When PIOR62 = 0: Active level of SNOOZE status output to P41 is "H".
When PIOR62 = 1: Active level of SNOOZE status output to P65 is "H" (only in 100-pin or 80-pin
products).
1 When PIOR62 = 0: Active level of SNOOZE status output to P41 is "L".
When PIOR62 = 1: Active level of SNOOZE status output to P65 is "L" (only in 100-pin or 80-pin
products).
OUTEN2 SNZOUT2 enable/disable
0 When PIOR62 = 0: SNOOZE status output to P41 is disabled.
When PIOR62 = 1: SNOOZE status output to P65 is disabled (only in 100-pin or 80-pin products).
1 When PIOR62 = 0: SNOOZE status output to P41 is enabled.
When PIOR62 = 1: SNOOZE status output to P65 is enabled (only in 100-pin or 80-pin products).
Caution The 20-pin products do not have the PSNZCNT1 register.
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