參數(shù)資料
型號: MC16V1CPU20B1
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 16-BIT, MROM, 20.97 MHz, MICROCONTROLLER, PQFP100
封裝: TQFP-100
文件頁數(shù): 107/128頁
文件大?。?/td> 571K
代理商: MC16V1CPU20B1
MOTOROLA
MC68HC16V1
8
MC68HC16V1TS/D
2.2 MC68HC16V1 Power Connections
2.3 MC68HC16V1 Output Driver Types
1. Synchronized input used only if pin configured as a digital I/O pin.
2. Unsynchronized input used for external bus request (EBR) function.
3. Hysteresis if PLL enabled.
4. DATA[15:8]/PG[7:0] and DATA[7:0]/PH[7:0] synchronized only during reset. QSM pins synchronized only if
used as port I/O pins.
RESET
Bo
Yes
RXD
—No
No
SCK
Bo
Yes
I/O
PQS2
SIZE
Bw
No
I/O
PE3
TXD
Bo
Yes
I/O
PQS7
XFC
————
XTAL
————
Table 3 MCU Power Connections
Pin
Description
VDDSYN
Clock synthesizer power/Clock mode select
VSSSYN
Clock synthesizer ground
VDDE, VSSE
External periphery power (source and drain)
VDDI, VSSI
Internal module power (source and drain)
Table 4 MCU Output Driver Types
Type
I/O
Description
A
O
Output-only signals that are always driven; no external pull-up required.
Aw
O
Type A output with weak P-channel pull-up during reset.
B
O
Three-state output that includes circuitry to pull up output before high impedance is estab-
lished, to ensure rapid rise time. An external holding resistor is required to maintain logic level
while the pin is in the high-impedance state.
Bo
O
Type B output that can be operated in an open-drain mode.
Bw
O
Type B output with weak P-channel pull-up during reset.
Table 2 MCU Pin Characteristics (Continued)
Pin Mnemonic
Output
Driver
Input
Synchronized
Input
Hysteresis
Discrete
I/O
Port
Designation
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