EZ80F91MCU Datasheet, PDF (388/396 Pages) Zilog, Inc. – eZ80Acclaim-TM Flash Microcontrollers

eZ80F91 MCU
Product Specification
369
Registers 68
Interrupt request 60–62, 66, 117, 133, 139–
140
enable 213, 216
signals 65
interrupt service routine 66–68
SPI 66
interrupt sources 157
interrupt vector 65–66
address 67, 68
bus 65–68
locations 66
table 67
interrupt, higher-priority 71, 194
interrupt, highest-priority 65–66
interrupts, edge-selectable 62
interrupts, level-sensitive 62
Introduction to On-Chip Instrumentation 311
Introduction, ZiLOG Debug Interface 286
IORQ—see Input/Output Request
IR_RXD modulation signal 205–208
IR_TxD modulation signal 17, 205–207
IrDA—see Infrared Data Association 204
IRQ—see interrupt request
IRQ_EN—see interrupt request enable
ISR—see interrupt service routine
IVECT—see interrupt vector bus
J
Jitter, Infrared Encoder/Decoder 206
Joint Test Action Group 313
Boundary Scan 313
interface 311, 319
mode selection 312
Test Clock 288, 312–313, 319
Test Data In 312–314
Test Data Out 312–314
Test Mode 16
Test Mode Select 312–313
JTAG—see Joint Test Action Group
L
least-significant bit 142–143, 145–146, 149,
162, 164, 224–228, 230, 262, 266, 270,
272–273, 278, 280–281
least-significant byte 66–68, 143, 238, 243,
256, 263
level-sensitive interrupt modes 60
level-sensitive interrupts 62, 207
Level-Triggered Interrupts 61
Line break detection 183
line status error 186
line status interrupt 185, 187–188, 193
Lock Detect 320, 322
sensitivity 325
PLL 322
Loop Filter 320, 322, 329
PLL 20, 321
LOOP Mode 185
LOOP_FILT 313
Loopback Testing, Infrared Encoder/Decoder
207
low-byte vector 65
Low-Power Modes 54
LSB—see least-significant byte
lsb—see least-significant bit
M
maskable interrupt 55, 65, 68, 71
MASS ERASE operation 109–110, 115–116,
118, 120–121
MASTER mode 211, 219, 230, 234–239
Start bit 234
Stop bit 234
SPI 212
MASTER RECEIVE Mode 219, 227
MASTER TRANSMIT Mode 219, 224
MASTER_EN bit 213
Master-In, Slave-Out 25, 210, 212
Master-Out, Slave-In 26, 210–212
MAXF—see Maximum Frame Length
Maximum Frame Length 251, 261
MBIST—see Memory Built-In Self-Test
controllers
PS019209-0504
PRELIMINARY
Index