Sharp SL-5500 Service Manual page 27

PC-UM10M
2-12. HOW TO USE EACH LSI PIN ON THE SL-5500
SA1110 GPIO0 Reserve
1 Reserve
2 LCD_8
3 LCD_9
4 LCD_10
5 LCD_11
6 LCD_12
7 LCD_13
8 LCD_14
9 LCD_15
10 SSP_TXD
11 SSP_RXD
12 SSP_SCLK
13 SSP_SFRM
14 UART_TXD
15 UART_RXD
16 GPCLK_OUT
17 Reserve
18 UART_SCLK1
19 SSP_CLK
20 UART_SCLK3
21 MCP_CLK
22 TREQA/MBREQ
23 TREQB
24 Reserve
25 RTC_CLOCK
26 RCLK_OUT
27 32kHz_OUT
Serial ch0 (USB)
Serial ch1 (GPCLK/UART)
Serial ch2 (Infrared )
Serial ch3 (UART)
Serial ch4 (MCP/SSP)
Direction
ON_KEY
AC_IN
out LCD_8
LCD_9
LCD_10
LCD_11
LCD_12
LCD_13
LCD_14
LCD_15
out SDOUT (SSP TI mode)
in Interupt for SD I/O card
out SCLK (SSP TI mode)
out SFRM (SSP TI mode)
out CF_IRQ
in nREMOCON_INT
out TC35143_RESET
/MIC_ON
in nREMOCON_1k_ON
in STEREO_64FS_CLK
in CO
in 9.21MHz
in CF_DETECT
in TC35143_IRQ
WAKEUP (16pin)
out GA_INT
out Main_Batt._LOW
out 32kHz_OUT
UDC- (USB Function)
UDC+ (USB Function)
TXD1
RXD1
TXD2
RXD2
UART RXD
(16pin connecter)
UART TXD
(16pin connecter)
MCP mode
(TC35143AF DIN)
MCP mode
(TC35143AF DOUT)
NC
MCP mode
(TC35143AF SIBSYNC)
SL-5500 HARDWARE DESCRIPTION
– 26 –
SL-5500
I/O
I from KEY Default:
Both edges enable
I AC at "H" Default:
Both edges enable
O
O
O
O
O
O
O
O
O
I PullUp SD I/O CARDinterupt
act="L"
O
O
I from_CF_GA Compatible for both
edges
I
O
O Microphone input
enable at "L"
O Enable at LOW
I
I Charging at LOW (of the
charging indicator)
I from GA TC35143: Synchroniza-
tion clock (SIBCLK)
I from_CF_GA
I f r o m
TC35143AF
I from
16pin conn.
I from GA
I D e t e c t e d
externally
O
I/O
I/O
O TS only
I TS only
O
I
I
O
O
I
O Use CLK that is inputted
from GP21.
O
Level at OFF
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
HI
LOW
LOW
INPUT
LOW
INPUT
ONPUT
LOW
LOW
INPUT
LOW
LOW