BIXOLON SRP-E770III - Reset Circuit

SRP-E770III
4-3-2 Reset Circuit
Reset signal is a signal in order to start-up CPU under Power-On.
Reset circuit uses a reset IC(XC6127N27C, U24). When +3.3Vdc is fallen under +2.7Vdc by Power-Off,
reset signal prohibits the system from misoperating by lowering down to 0V.
Figure 4-1 Reset Circuit
Vcc
/RESET
200ms
2.7V
Power On
Power Off
RESET OUT
RESET
CHIP
XC6127N27C
CPU
J-TAG
Ethernet
PHY
3.3V
3.3V
0V
0V
Ver. 1.01
- 32 -