Sharp XL-DK257N - Page 80

XL-DK257N
8 – 7
IC701 RH-IXA159AW00: System Microcomputer (1/5)
Pin
No.
NAME
INPUT /
OUTPUT
FORM
SOFT
PULLUP
FUNCTION OUTLINE
PORT_TYPE
1
NO USE
OUTPUT CMOS INPUT / OUTPUT
OFF
Fix "L"
P96/ANEX1
2
NO USE
OUTPUT CMOS INPUT / OUTPUT Fix "L"
P95/ANEX0
3 VOL_DATA
OUTPUT CMOS INPUT / OUTPUT
COMMUNICATION WITH
DATA OUTPUT
P94
4 VOL_CLK
OUTPUT CMOS INPUT / OUTPUT
OFF
COMMUNICATION WITH
CLOCK OUTPUT
P93
5NO USE
OUTPUT CMOS INPUT / OUTPUT Fix "L"
P92/TB2IN
6NO USE
OUTPUT CMOS INPUT / OUTPUT Fix "L"
P91/TB1IN
7 VOL_LATCH
OUTPUT CMOS INPUT / OUTPUT
COMMUNICATION WITH
LATCH OUTPUT
P90/TB0IN
8BYTE
INPUT INPUT -
EXTERNAL BUS. JOINT TO
VSS IF NO USE
BYTE
9 CNVSS
INPUT INPUT -
USED IN SINGLE MODE.
CONNECT TO VSS
THROUGH PULL DOWN
RESISTOR. EXCLUSIVE USE
FOR VCC DURING FLASH
WRITING
CNVSS
10 XCIN
INPUT CMOS INPUT / OUTPUT
OFF
32.768kHz X'tal (SUB-CLOCK)
P87/XCIN
11 XCOUT
OUTPUT CMOS INPUT / OUTPUT 32.768kHz X'tal (SUB-CLOCK)
P86/XCOUT
12 RESET
INPUT INPUT -
RESET INPUT. ACTIVE "L"
CONNECT TO WRITER
RESET LINE DURING FLASH
RESET
13 X_OUT
OUTPUT CMOS OUTPUT -
MICOM STANDARD
OSCILLATION OUTPUT
CONNECT TO 9.8MHz
CERAMIC OSCILLATION
XOUT
14 GND
- - - CONNECT TO GND(VSS).
VSS
15 X_IN
INPUT CMOS INPUT -
MICOM STANDARD
OSCILLATION OUTPUT
CONNECT TO 9.8MHz
CERAMIC OSCILLATION
XIN
16 VCC
- - -
SUPPLY INPUT TO MICOM
(3.3V)
BACK-UP POWER SUPPLY
VCC1
17 NMI
INPUT CMOS INPUT -
CONNECT TO VCC
THROUGH PULL UP RESIS-
TOR. (SET FOR FLASH)
P85/NMI
18 P-IN
INPUT CMOS INPUT / OUTPUT OFF
POWER FALURE DETEC-
TION. JUDGE AS POWER
FAILURE IF FAIL TO DETECT
EDGE WITHIN 90 msec.
P84/INT2
19 OSC
OUTPUT CMOS INPUT / OUTPUT
OFF
OSCILLATOR FREQUENCY
ADJUSTMENT. SET FOR
H=415kHz, L=375kHz
P83/INT1
20 RX_IN
INPUT CMOS INPUT / OUTPUT
REMOCON IN
(SHARP FORMAT)
P82/INT0
21 AMP DET
INPUT CMOS INPUT / OUTPUT
POWER IC ABNORMAL
DETECT ABNORMAL=L
P81
22 AMP MUTE
OUTPUT CMOS INPUT / OUTPUT
AMP MUTE CONTROL L:
MUTE OFF, H: MUTE ON
P80
23 AMP ON/OFF
OUTPUT CMOS INPUT / OUTPUT
OFF
AMP ON/OFF CONTROL L:
OPERATING MODE,
H: STANDBY MODE
P77
24 RDS_VOLT_CONT
OUTPUT CMOS INPUT / OUTPUT
RD
S FUNCTION CONTROL H:
FM FUNC ONLY (H MODEL)
P76
25 RDS DATA
INPUT CMOS INPUT / OUTPUT
RDS DATA in (H MODEL)
P75/TA2IN