Rainbow Electronics AT75C220 - Manual (Page 65)

AT75C220
65
.
Note: 1. Used if TST pin is active.
Table 19. PIO Controller A Connection Table
Pin Name Signal Name Signal Description Type Pin Number
PA0 OAKAIN0 OakDSPCore User Input 0 Input 182
PA1 OAKAIN1 OakDSPCore User Input 1 Input 181
PA2 OAKAOUT0 OakDSPCore User Output 0 Output 180
PA3 OAKAOUT1 OakDSPCore User Output 1 Output 179
PA4 178
PA5 177
PA6 174
PA7 173
PA8 TCLK0 Timer 0 Clock Signal Input 172
PA9 TIOA0 Timer 0 Signal A I/O 171
PA10 TIOB0 Timer 0 Signal B I/O 170
PA11 SCKA USART A Serial Clock I/O 169
PA12 NPCS1 Optional SPI Chip Select 1 Output 166
PA19 ACLK ARM System Clock I/O 163
Table 20. PIO Controller B Connection Table
Pin Name Signal Name Signal Description Type Pin Number
PB0 TCLK1 Timer 1 Clock Signal Input 194
PB1 TIOA1 Timer 1 Signal A I/O 195
PB2 TIOB1 Timer 1 Signal B I/O 196
PB3 NCTSA USART A Modem Control (1) Input 197
PB4 No attached peripheral 198
PB5 NRIA USART A Ring Indicator Input 199
PB6 NWDOVF WDT Overflow Output 200
PB7 NCE1 Chip Select 1 Output 201
PB8 NCE2 Chip Select 2 Output 202
PB9 No peripheral connected 203