Sam4s ER-380F - Block Diagram; ER-380 M

SAM4S ER-380M/F SERIES 11-1
11 Block Diagram
11-1 ER-380M
RECEIPT PRINTER (STM-210)
P/END
VPH LEVER
POWER
TRANS
FRONT
(
16*2 LCD
)
ADC nRST nINT0
CPU
M30800SFP
XIN
MOT DRIVE
LB1838
VPH
ON/OFF
VPRT
+8.5V
TPH_CLK, DATA
LATCH, nSTOBE
RESET
VCC VPRT VDRV VDISP
+5V +8.5V +24V +30V
P/fail
DETECT
SPOOL
DRIVE
DRAWER
BUZZER
DRIVE
SPOOL
MOTOR
DRAWER
DRIVE
BUZZER
EPROM
M27C4000
SRAM
2MBITS
RTC
32.768Khz
FISICAL VOLT
DRIVE
FISICAL I/F
82C55
KEY & MODE
SCAN RETURN
BUFFER
74HC541
DECODE
74HC138
FS781
14.7456Mhz
FISICAL MEMORY B’D
512K/1M/2M
SCAN RETURN
KEY BOARD
MODE KEY
D [0:8 ]
DECODE
74HC138
nCS
ADD,nCS
ADD,nCS
CS_KEYSCAN
FA16,17
nCS_EPROM
nCS2
SRAM
4MBITS
12.5V 6.2V FA
( 0:15 )
FD
( 0:7 )
SERIAL I/F
(RS232)
A [0:19 ]
LCD
DRIVE
REAR
VFD
(10DIGIT)