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● Function
Table 3.13 shows the main functions of SMPC.

Table 3.13 SMPC functions 
 RTC 
 (Real Time Clock) 
-Time setting and acquisition from SH-2 
-Battery Backup function 
 ・ Date, day, hour, minute, second automatically updated 
 SM 
 (System Manegement) 
-Sound CPU ON / OFF 
-Master SH-2, Slave SH-2 ON / OFF 
-System reset control 
-Clock switching (PLL switching) 
-Power-on reset 
-Saturn when the reset switch is pressed 
 Reset system 
 PC 
 (Peripheral Control) 
-Automatically collects peripheral data such as control pads and mice 
-Supports Megadrive and Genesis peripherals (3-button, 6-button, 4-player adapter, mouse) 
 Port

PAD

Table 3.14 shows the digital PAD specifications for Saturn.

Table 3.14 Saturn standard PAD specifications 
 PAD type 
 Services 
 Saturn standard PAD 
 buttons: 
 Up, Down, Left, Right, A, B, C, X, Y, Z, L, R, start

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