ez80190 ZiLOG Semiconductor, ez80190 Datasheet - Page 212

• Manufacturer Part Number: ez80190
• Description: Ez80190 Microprocessor
• Manufacturer: ZiLOG Semiconductor

Block Diagram 2
Block Transfer and Compare Instructions 166
Break Indication 68, 78
break signal 67, 75
BRG—see Baud Rate Generator
BRG clock 67
BRG counter 61–63
BRG Divisor Latch 62–63
BRG Divisor Latch registers 61
BRG divisor value 61–64
BRG output frequency 61
BRGx 61
BRGx_DLR_H 61–63
BRGx_DLR_H register 72
BRGx_DLR_L 61–63
BRGx_DLR_L register 62, 71
BURST mode 139–140, 144
bus acknowledge 20
bus arbitration 90, 94
Bus Arbitration Overview 90
Bus Clock Speed 110
Bus Enable bit 105–106
bus request 20–21, 139
BUSACK—see bus acknowledge
BUSREQ—see bus request
Byte Format 91
byte transfer 90–91, 95
C
C register 114
CALC bank 112, 114–118, 121–122, 125, 134,
CALC_STAT field 115
CGE bit 101
Change Log 196
Characteristics, Electrical
Chip Select Registers 54
Chip Select signal 50, 54–55
PS006613-0306
135
divisor ratio 61, 63
High Byte 63
Low Byte 62
cycle-steal 141
Absolute Maximum Ratings 178
P R E L I M I N A R Y
Chip Select signals, external 58
Chip Select x Lower Bound Register 54
Chip Select x Upper Bound Register 55
Chip Select/Wait State Generator block 6–10
Chip Select/Wait State Generator, Register
Chip Selects and Wait States 49
Chip Selects, external I/O 22
Chip Selects, I/O 49, 52, 54–55
Chip Selects, Memory 49
Clear to Send 15, 18, 80
clock divider 34–35, 83, 109
clock divider ratio 32
clock frequency 32
clock generator 60, 82
clock period 45, 46, 90
clock prescaler, 4-bit 31
clock source 61
Clock Synchronization 93
Clocking Overview 90
CONTINUOUS mode 31, 33–35, 37–38
control register values 50, 115
Control Transfers 69
CPHA—see SPI Clock Phase 83–84, 86–87
CPOL—see SPI Clock Polarity 83–85, 87
Crystal Oscillator 177
CS_EN 49, 52, 56
CS_IO 49, 52, 54, 56
CS0 5
CS1 5
CS2 5
CS3 5
CTS—see Clear to Send 77, 80
CTS0 18
CTS1 15
current count value 34, 36
Customer Feedback Form 210
Customer Information 210
CYCLE-STEAL mode 139–141, 144
Map 24–25
Delta Status Change of 80
16X 69
50-MHz external 195
eZ80
for Handshake 95
®
CPU 147
Index
198