synchronous serial interface (25 and 33 MHz), 102
synchronous serial interface (40 and 50 MHz), 102
write cycle (25 and 33 MHz), 72–73
V
VCC, 39
write cycle (40 and 50 MHz), 74, 76
switching parameter symbols
alphabetical key, 68
W
numerical key, 69
watchdog timer, 54
waveform
switching waveforms
key, 67
internal RAM show read, 77
synchronous ready waveforms, 97
waveforms, 67
synchronous serial interface, 56
multiple read, 58
asynchronous ready, 97
bus hold
multiple write, 58
entering, 101
leaving, 101
interrupt acknowledge cycle, 89
peripheral, 98
PSRAM read cycle, 80
PSRAM refresh cycle, 86
PSRAM write cycle, 83
read cycle, 72
synchronous serial interface (25 and 33 MHz), 102
synchronous serial interface (40 and 50 MHz), 102
synchronous serial interface waveforms, 103
T
reset, 100
thermal characteristics, 61
thermal characteristics equations, 61
thermal resistance, 61
signals related to reset, 100
software halt cycle, 91
SSI, 103
synchronous ready, 97
synchronous serial interface, 103
write cycle, 75
thin quad flat pack, 104
third-party development support products, 13
timer control unit, 53
TMRIN0/PIO11, 38
WB (Am188ER microcontroller only), 39
WHB, 39
TMRIN1/PIO0, 38
TMROUT0/PIO10, 38
WLB (Am186ER microcontroller only), 39
world wide web support, 13
WR, 39
TMROUT1/PIO1, 38
TQFP connection diagram and pinouts
Am186ER, 16
write cycle waveforms, 75
Am188ER, 19
www
TQFP package, 61
home page, 13
support, 13
TQFP physical dimensions, 104
TQFP pin assignments
Am186ER, 19
sorted by pin name, 18
sorted by pin number, 17
Am188ER
X
X1, 39
X2, 39
sorted by pin name, 21
sorted by pin number, 20
two-component address, 40
TXD/PIO27, 38
typical ambient temperatures, 62
U
UCS/ONCE1, 38
upper memory chip select, 51
UZI/CLKSEL2/PIO26, 38
Am186™CC Communications Controller Data Sheet
Index-5
AMD [ AMD ]
