NEC Network Controller uPD98502 - Manual (Page 47)

CHAPTER 1 INTRODUCTION
Preliminary User’s Manual S15543EJ1V0UM 47
1.7.10 UART interface
Pin Name Pin No. I/O Active Level Function
URCLK D9 I UART external clock
URCTS_B B8 I L UART clear to send
URDCD_B A9 I L UART data carrier detect
URDSR_B A8 I L UART data set ready
URDTR_B A10 O L UART data terminal ready
URRTS_B C10 O L UART data request to send
URSDI B9 I UART serial data input
URSDO B10 O UART serial data output
1.7.11 Micro Wire interface
Pin Name Pin No. I/O Active Level Function
MWCS C12 O Micro Wire chip select
MWDI A12 I Micro Wire data in
MWDO B12 O Micro Wire data out
MWSK A11 O Micro Wire SK
1.7.12 Parallel port interface
Pin Name Pin No. I/O Active Level Function
POM0 E13 O Parallel port signal output
POM1 D13 O Parallel port signal output
POM2 C13 O Parallel port signal output
POM3 B13 O Parallel port signal output
POM4 C14 O Parallel port signal output
POM5 B14 O Parallel port signal output
POM6 A14 O Parallel port signal output
POM7 E15 O Parallel port signal output
1.7.13 Boundary scan interface
Pin Name Pin No. I/O Active Level Function
JCK A22 I B-SCAN clock
JDI C21 I B-SCAN input-data
JDO B22 t/s O B-SCAN output-data
JMS A23 I B-SCAN mode select
JRSTB_B D22 I L B-SCAN reset