EZ80F91MCU Datasheet, PDF (392/396 Pages) Zilog, Inc. – eZ80Acclaim-TM Flash Microcontrollers

eZ80F91 MCU
Product Specification
373
Seconds Register 168
signal 134
source 122, 125, 131
Year Register 174
Receive, Infrared Encoder/Decoder 205
Recommended Usage of the Baud Rate
Generator 189
Register Map 35
Register Set for Capture in Timer 1 136
Register Set for Capture/Compare/PWM in
Timer 3 137
Request To Send 18, 21, 199, 202, 206
RESET 14, 51–52, 54–55, 59, 73, 101–102,
113, 115, 122–124, 168, 171–181, 189, 207,
214–215, 297, 299, 312, 314, 347
Reset controller 51–52
RESET event 51, 58
RESET mode timer 51–52
Reset Operation 51
RESET Or NMI Generation 124
Reset States 74
RESET_OUT 314
Resetting the I²C Registers 231
RI—see Ring Indicator
RI0 19, 206
RI1 23, 60
Ring Indicator 19, 23, 185, 199, 202
Trailing Edge of 202
rising edge 152–153, 155, 160
RST_FLAG bit 124
RTC Oscillator Input 134
RTC Supply Voltage 346
RTC_V_DD 16
RTC_X_IN 15
RTC_X_OUT 15, 167
RTS—see Request To Send
RTS0 18
RTS1 21
Rx_CLK 32
Rx_DV 32
Rx_ER 32
RxD0 17, 32
RxD1 21, 32
RxD2 32
RxD3 33
RxDMA 243
S
Schmitt Trigger 14–15
Input 14–16, 20, 22–23, 25, 33
input buffers 58
SCK—see SPI Serial Clock
SCL—see I²C Serial Clock
SCL line 222, 224
SCLK—see System Clock
SDA 26, 219, 220, 221, 231
SDA line 223
see system reset 13
serial bus, SPI 217, 218
Serial Clock 219
Serial Clock, I²C 26, 219–221, 238
Serial Clock, SPI 24, 210
Serial Data 210, 219
Serial Data, I²C 26
Serial Peripheral Interface 1, 56, 66, 70, 209–
210, 212
Baud Rate Generator 213
Baud Rate Generator Registers—Low
Byte and High Byte 215
Control Register 216
Data Rate 214
Flags 213
Functional Description 212
interrupt service routine 66
master device 25–26, 214
MASTER mode 212
mode 24
Receive Buffer Register 218
Registers 214
serial bus 217
Signals 210
slave device 25, 26
SLAVE mode 212
Status Register 217
Status register 213
Transmit Shift Register 213–214, 217
Setting Timer Duration 128
PS019209-0504
PRELIMINARY
Index