User`s guide

LZ87010 Advance User’s Guide Introduction
1/15/03 1-5
1.5 Signal Descriptions
Table 1-1. Signal Descriptions, Listed Alphabetically
SIGNAL
NAME
SIGNAL
TYPE*
PIN
NO.
PIN
TYPE
FUNCTIONAL
UNIT
SHARED
WITH
DESCRIPTION
ADVREF I 50 I ADC
Analog input. Voltage Reference for Analog-to-
Digital Converter; sets upper limit of conversion range.
AN[7:0] I 58:51 I ADC Analog Input Ports
CTCAP2A I 38 I/O Timers P7[2] Timer 2 Capture 0 Input
CTCAP2B I 39 I/O Timers P7[3] Timer 2 Capture 1 Input
CTCAP3A I 3 I/O Timers P1[2] Timer 3 Capture 0 Input
CTCAP3B I 4 I/O Timers P1[3] Timer 3 Capture 1 Input
CTCMP2A O 40 I/O Timers P7[4] Timer 2 Compare 0 Output
CTCMP2B O 41 I/O Timers P7[5] Timer 2 Compare 1 Output
CTCMP3A O 5 I/O Timers P1[4] Timer 3 Compare 0 Output
CTCMP3B O 6 I/O Timers P1[5] Timer 3 Compare 1 Output
CTCMP4A O 86 I/O Timers P6[2] Timer 4 Compare 0 Output
CTCMP4B O 87 I/O Timers P6[3] Timer 4 Compare 1 Output
CTCMP5A O 90 I/O Timers P6[6] Timer 5 Compare 0 Output
CTCMP5B O 91 I/O Timers P6[7] Timer 5 Compare 1 Output
CTIN0 I 43 I/O Timers P7[6] Timer 0 Clock Input
CTIN1 I 44 I/O Timers P7[7] Timer 1 Clock Input
CTIN2 I 36 I/O Timers P7[0] Timer 2 Clock Input
CTIN3 I 1 I/O Timers P1[0] Timer 3 Clock Input
CTIN4 I 84 I/O Timers P6[0] Timer 4 Clock Input
CTIN5 I 88 I/O Timers P6[4] Timer 5 Clock Input
DA0 O 48 O DACs Waveform Generator 0 Analog Output
DA1 O 46 O DACs Waveform Generator 1 Analog Output
DAVREF I 49 I DACs
Voltage Reference for Digital-to-Analog Converters;
sets upper limit of conversion range
ENDC I 45 I Power
Internal Voltage Regulator Enable. If HIGH, 2.5 V
core voltage is supplied by internal regulator from
3.3 V supply. If LOW, 2.5 V core voltage is supplied
externally on VDD_CORE.
INT[7:0] I 83:76 I/O Interrupts P0[7:0] Interrupt Request Signals
nPSEN O 8 I/O External Memory P1[7] External Memory Output Enable
nPSWR O 7 I/O External Memory P1[6] External Memory Read/Write
P0[7:0] I/O 83:76 I/O Ports INT[7:0] General Purpose Input/Output Pin
P1[0] I/O 1 I/O Ports CTIN3 General Purpose Input/Output Pin
P1[1] I/O 2 I/O Ports General Purpose Input/Output Pin
P1[2] I/O 3 I/O Ports CTCAP3A General Purpose Input/Output Pin
P1[3] I/O 4 I/O Ports CTCAP3B General Purpose Input/Output Pin
P1[4] I/O 5 I/O Ports CTCMP3A General Purpose Input/Output Pin
P1[5] I/O 6 I/O Ports CTCMP3B General Purpose Input/Output Pin
P1[6] I/O 7 I/O Ports nPSWR General Purpose Input/Output Pin