Epson TM-H6000 Service Manual page 138

Confidential
TableD-7 CPU terminals and functions
Port (Terminal) Pin
Name No.
PE1 16
PE2 17
PE4 18
PE5 19
PE6 20
PF0/TXD0 21
PF1/RXD0 22
PF2/CTS0/ 23
SCLK0
PF4/TXD1 24
PF5/RXD1 25
PF6/CTS1/ 26
SCLK1
DVCC 27
NMI 28
P86/WAIT 29
AM0 30
CLK 31
TEST0 32
TEST1 33
CLVSS 34
CLVCC 36
DVSS 37
X1 38
X2 39
AM1 40
RESET 41
WDTOUT 42
DVCC 43
PB0/CAS1 44
PB1/UCAS1 45
Rev. A
Description
EP_TP
SW_SLIP_PF
SW_RECEIPT_PF
Receive DMA request receipt
Interrupt for synchronous serial
input
Serial TXD for asynchronous
communication
Serial RXD for asynchronous
communication
Serial CLKIN/DTR for
asynchronous communication
Serial CLKREQ for asynchronous
communication
Serial CTS for asynchronous
communication
Serial IF_DET for asynchronous
communication
VCC
VCC connection
HCTS
CPU mode setting (fixed to "1")
Not used
Not used (GND fixed)
Not used (GND fixed)
VSS
VCC
GND
9.83 MHz
9.83 MHz
CPU mode setting (fixed to "0")
Hard reset
Abnormal detect (used by GA)
VCC
LED_ERROR
LED_SLIP
TM-H6000/H6000P Service Manual
Circuit Signal I/O
Name
EP_TP IN
SW_SLIP IN
SW_RPT IN
DREQ IN
SD_INT IN
TXD OUT
RXD IN
CLKIN IN
CLKREQ OUT
CTS IN
IF_DET IN
VCC IN
HCTS IN
NC
RESET
TIMI
LED_ERROR OUT
LED_SLIP OUT
Product Overview Appendix D-47
I/O Definition
H L
E/P timing
pulse
interrupt
None Depressed
None Depressed
On Off
On Off